<?xml version="1.0"?>
<PERIODIC_TABLE>

  <ATOM>
    <NAME>Actinium</NAME>
    <ATOMIC_WEIGHT>227</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>89</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3470</BOILING_POINT>
    <SYMBOL>Ac</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      10.07
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Rn] 6d1 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>1.1</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.88</ATOMIC_RADIUS>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      22.5
    </ATOMIC_VOLUME>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.12
    </SPECIFIC_HEAT_CAPACITY>
    <IONIZATION_POTENTIAL>5.17</IONIZATION_POTENTIAL>

    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      12
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Aluminum</NAME>
    <ATOMIC_WEIGHT>26.98154</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>13</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2740</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">933.5</MELTING_POINT>
    <SYMBOL>Al</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      2.7
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ne] 3s2 p1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.18</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.61</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.43</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      290.8
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      10
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      10.7
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.986</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.9
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      237
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Americium</NAME>
    <ATOMIC_WEIGHT>243</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>95</ATOMIC_NUMBER>
    <OXIDATION_STATES>6, 5, 4, 3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2880</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1449</MELTING_POINT>
    <SYMBOL>Am</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      13.7
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Rn] 5f7 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>1.3</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.84</ATOMIC_RADIUS>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      20.8
    </ATOMIC_VOLUME>
    <IONIZATION_POTENTIAL>6</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      10
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Antimony</NAME>
    <ATOMIC_WEIGHT>121.757</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>51</ATOMIC_NUMBER>
    <OXIDATION_STATES>+/-3, 5</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1860</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">903.91</MELTING_POINT>
    <SYMBOL>Sb</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      6.69
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d10 5s2 p3 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.4</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.05</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.59</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      67.97
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      18.4
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      19.83
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>8.641</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.207
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      24.3
    </THERMAL_CONDUCTIVITY>
  </ATOM>
  
  <ATOM STATE="GAS">
    <NAME>Argon</NAME>
    <ATOMIC_WEIGHT>39.948</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>18</ATOMIC_NUMBER>
    <BOILING_POINT UNITS="Kelvin">87.45</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">83.95</MELTING_POINT>
    <SYMBOL>Ar</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      1.784
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ne] 3s2 p6 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">0.98</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>0</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">0.88</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      6.506
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      24.2
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      1.188
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>15.759</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.52
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.0177
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Arsenic</NAME>
    <ATOMIC_WEIGHT>74.9216</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>33</ATOMIC_NUMBER>
    <OXIDATION_STATES>+/-3, 5</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">876</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1090</MELTING_POINT>
    <SYMBOL>As</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      5.78
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d10 4s2 p3 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.2</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.18</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.39</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      32.4
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      13.1
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      27.7
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>9.81</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.33
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      50
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Astatine</NAME>
    <ATOMIC_WEIGHT>210</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>85</ATOMIC_NUMBER>
    <OXIDATION_STATES>+/-1, 3, 5, 7</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">610</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">575</MELTING_POINT>
    <SYMBOL>At</SYMBOL>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d10 6s2 p5 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.47</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.2</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.45</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      30
    </HEAT_OF_VAPORIZATION>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      12
    </HEAT_OF_FUSION>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      1.7
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM STATE="SOLID">
    <NAME>Gold</NAME>
    <ATOMIC_WEIGHT>196.9665</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>79</ATOMIC_NUMBER>
    <OXIDATION_STATES>3, 1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3130</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1337.58</MELTING_POINT>
    <SYMBOL>Au</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      19.3
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d10 6s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.34</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.54</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.46</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      324.43
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      10.2
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      12.36
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>9.225</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.128
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      317
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Boron</NAME>
    <ATOMIC_WEIGHT>10.811</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>5</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">4275</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2365</MELTING_POINT>
    <SYMBOL>B</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      2.34
    </DENSITY>
    <ELECTRON_CONFIGURATION>1s2 2s2 p1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">0.82</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.04</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">0.98</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      507.8
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      4.6
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      22.6
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>8.298</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      1.026
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      27
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Barium</NAME>
    <ATOMIC_WEIGHT>137.33</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>56</ATOMIC_NUMBER>
    <OXIDATION_STATES>2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2078</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1002</MELTING_POINT>
    <SYMBOL>Ba</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      3.59
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.98</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>0.89</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">2.22</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      140.2
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      39
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      8.01
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.212</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.204
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      18.4
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Beryllium</NAME>
    <ATOMIC_WEIGHT>9.01218</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>4</ATOMIC_NUMBER>
    <OXIDATION_STATES>2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3243</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1560</MELTING_POINT>
    <SYMBOL>Be</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      1.85
    </DENSITY>
    <ELECTRON_CONFIGURATION>1s2 2s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">0.9</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.57</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.12</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      297
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      5
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      11.71
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>9.322</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      1.825
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      200
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Bohrium</NAME>
    <ATOMIC_WEIGHT>262</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>107</ATOMIC_NUMBER>
    <SYMBOL>Bh</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f14 6d5 7s2 </ELECTRON_CONFIGURATION>



  </ATOM>

  <ATOM STATE="SOLID">
    <NAME>Bismuth</NAME>
    <ATOMIC_WEIGHT>208.9804</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>83</ATOMIC_NUMBER>
    <OXIDATION_STATES>3, 5</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1837</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">544.59</MELTING_POINT>
    <SYMBOL>Bi</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      9.75
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d10 6s2 p3 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.46</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.02</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.7</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      179
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      21.3
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      11
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.289</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.122
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      7.87
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Berkelium</NAME>
    <ATOMIC_WEIGHT>247</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>97</ATOMIC_NUMBER>
    <OXIDATION_STATES>4, 3</OXIDATION_STATES>
    <SYMBOL>Bk</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f9 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>1.3</ELECTRONEGATIVITY>

    <IONIZATION_POTENTIAL>6.23</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      10
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Bromine</NAME>
    <ATOMIC_WEIGHT>79.904</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>35</ATOMIC_NUMBER>
    <OXIDATION_STATES>+/-1, 5</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">331.85</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">265.95</MELTING_POINT>
    <SYMBOL>Br</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      3.12
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d10 4s2 p5 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.14</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.96</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.12</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      14.725
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      23.5
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      5.286
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>11.814</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.226
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.122
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM  STATE="SOLID">
    <NAME>Carbon</NAME>
    <ATOMIC_WEIGHT>12.011</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>6</ATOMIC_NUMBER>
    <OXIDATION_STATES>+/-4, 2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">5100</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">3825</MELTING_POINT>
    <SYMBOL>C</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      2.26
    </DENSITY>
    <ELECTRON_CONFIGURATION>1s2 2s2 p2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">0.77</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.55</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">0.91</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      715
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      5.3
    </ATOMIC_VOLUME>
    <IONIZATION_POTENTIAL>11.26</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.709
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      155
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Calcium</NAME>
    <ATOMIC_WEIGHT>40.078</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>20</ATOMIC_NUMBER>
    <OXIDATION_STATES>2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1757</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1112</MELTING_POINT>
    <SYMBOL>Ca</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      1.55
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 4s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.74</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.97</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      154.67
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      29.9
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      8.53
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.113</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.647
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      200
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Cadmium</NAME>
    <ATOMIC_WEIGHT>112.41</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>48</ATOMIC_NUMBER>
    <OXIDATION_STATES>2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1040</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">594.26</MELTING_POINT>
    <SYMBOL>Cd</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      8.65
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d10 5s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.41</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.69</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.71</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      99.87
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      13.1
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      6.07
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>8.993</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.233
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      96.8
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Cerium</NAME>
    <ATOMIC_WEIGHT>140.12</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>58</ATOMIC_NUMBER>
    <OXIDATION_STATES>3, 4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3715</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1071</MELTING_POINT>
    <SYMBOL>Ce</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      6.77
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f1 5d1 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.65</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.12</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.81</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      313.8
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      21
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      9.2
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.47</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.19
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      11.4
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Californium</NAME>
    <ATOMIC_WEIGHT>251</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>98</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <MELTING_POINT UNITS="Kelvin">1170</MELTING_POINT>
    <SYMBOL>Cf</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f10 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>1.3</ELECTRONEGATIVITY>

    <IONIZATION_POTENTIAL>6.3</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      10
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Chlorine</NAME>
    <ATOMIC_WEIGHT>35.4527</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>17</ATOMIC_NUMBER>
    <OXIDATION_STATES>+/-1, 3, 5, 7</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">239.18</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">172.17</MELTING_POINT>
    <SYMBOL>Cl</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      3.214
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ne] 3s2 p5 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">0.99</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>3.16</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">0.97</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      10.2
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      18.7
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      3.21
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>12.967</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.48
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.0089
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Curium</NAME>
    <ATOMIC_WEIGHT>247</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>96</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <MELTING_POINT UNITS="Kelvin">1620</MELTING_POINT>
    <SYMBOL>Cm</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      13.5
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Rn] 5f7 6d1 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>1.3</ELECTRONEGATIVITY>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      18.3
    </ATOMIC_VOLUME>
    <IONIZATION_POTENTIAL>6.02</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      10
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Cobalt</NAME>
    <ATOMIC_WEIGHT>58.9332</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>27</ATOMIC_NUMBER>
    <OXIDATION_STATES>2, 3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3143</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1768</MELTING_POINT>
    <SYMBOL>Co</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      8.9
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d7 4s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.16</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.88</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.25</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      373.3
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      6.7
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      16.19
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.86</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.421
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      100
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Chromium</NAME>
    <ATOMIC_WEIGHT>51.996</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>24</ATOMIC_NUMBER>
    <OXIDATION_STATES>6, 3, 2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2945</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2130</MELTING_POINT>
    <SYMBOL>Cr</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      7.19
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d5 4s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.18</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.66</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.3</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      339.5
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      7.23
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      20
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.766</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.449
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      93.7
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Cesium</NAME>
    <ATOMIC_WEIGHT>132.9054</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>55</ATOMIC_NUMBER>
    <OXIDATION_STATES>1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">944</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">301.54</MELTING_POINT>
    <SYMBOL>Cs</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      1.87
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 6s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">2.35</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>0.79</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">2.67</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      67.74
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      70
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      2.092
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>3.894</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.24
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      35.9
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Copper</NAME>
    <ATOMIC_WEIGHT>63.546</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>29</ATOMIC_NUMBER>
    <OXIDATION_STATES>2, 1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2840</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1356.6</MELTING_POINT>
    <SYMBOL>Cu</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      8.96
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d10 4s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.17</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.9</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.28</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      300.5
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      7.1
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      13.14
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.726</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.385
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      401
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Dubnium</NAME>
    <ATOMIC_WEIGHT>262</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>105</ATOMIC_NUMBER>
    <SYMBOL>Db</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f14 6d3 7s2 </ELECTRON_CONFIGURATION>



  </ATOM>

  <ATOM>
    <NAME>Dysprosium</NAME>
    <ATOMIC_WEIGHT>162.5</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>66</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2840</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1685</MELTING_POINT>
    <SYMBOL>Dy</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      8.55
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f10 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.59</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.22</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.8</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      230
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      19
    </ATOMIC_VOLUME>
    <IONIZATION_POTENTIAL>5.93</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.173
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      10.7
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Erbium</NAME>
    <ATOMIC_WEIGHT>167.26</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>68</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3140</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1802</MELTING_POINT>
    <SYMBOL>Er</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      9.07
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f12 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.57</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.24</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.78</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      292.88
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      18.4
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      17.15
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.101</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.168
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      14.3
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Einsteinium</NAME>
    <ATOMIC_WEIGHT>252</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>99</ATOMIC_NUMBER>
    <MELTING_POINT UNITS="Kelvin">1130</MELTING_POINT>
    <SYMBOL>Es</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f11 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>1.3</ELECTRONEGATIVITY>

    <IONIZATION_POTENTIAL>6.42</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      10
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Europium</NAME>
    <ATOMIC_WEIGHT>151.965</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>63</ATOMIC_NUMBER>
    <OXIDATION_STATES>3, 2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1800</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1095</MELTING_POINT>
    <SYMBOL>Eu</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      5.24
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f7 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.85</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.2</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.99</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      175.73
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      28.9
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      9.21
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.67</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.182
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      13.9
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Fluorine</NAME>
    <ATOMIC_WEIGHT>18.9984</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>9</ATOMIC_NUMBER>
    <OXIDATION_STATES>-1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">85</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">53.55</MELTING_POINT>
    <SYMBOL>F</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      1.696
    </DENSITY>
    <ELECTRON_CONFIGURATION>1s2 2s2 p5 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">0.72</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>3.98</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">0.57</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      3.2698
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      17.1
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      0.26
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>17.422</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.824
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.0279
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Iron</NAME>
    <ATOMIC_WEIGHT>55.847</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>26</ATOMIC_NUMBER>
    <OXIDATION_STATES>2, 3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3023</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1808</MELTING_POINT>
    <SYMBOL>Fe</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      7.874
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d6 4s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.17</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.83</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.26</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      349.5
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      7.1
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      13.8
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.87</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.449
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      80.2
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Fermium</NAME>
    <ATOMIC_WEIGHT>257</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>100</ATOMIC_NUMBER>
    <MELTING_POINT UNITS="Kelvin">1800</MELTING_POINT>
    <SYMBOL>Fm</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f12 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>1.3</ELECTRONEGATIVITY>

    <IONIZATION_POTENTIAL>6.5</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      10
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Francium</NAME>
    <ATOMIC_WEIGHT>223</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>87</ATOMIC_NUMBER>
    <OXIDATION_STATES>1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">950</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">300</MELTING_POINT>
    <SYMBOL>Fr</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 7s1 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>0.7</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">2.7</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      64
    </HEAT_OF_VAPORIZATION>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      2.1
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>0</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      15
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Gallium</NAME>
    <ATOMIC_WEIGHT>69.723</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>31</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2478</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">302.92</MELTING_POINT>
    <SYMBOL>Ga</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      5.91
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d10 4s2 p1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.26</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.81</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.41</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      256.06
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      11.8
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      5.59
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.999</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.371
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      40.6
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Gadolinium</NAME>
    <ATOMIC_WEIGHT>157.25</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>64</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3545</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1585</MELTING_POINT>
    <SYMBOL>Gd</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      7.9
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f7 5d1 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.61</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.2</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.8</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      311.71
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      19.9
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      10.46
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.15</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.236
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      10.6
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Germanium</NAME>
    <ATOMIC_WEIGHT>72.61</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>32</ATOMIC_NUMBER>
    <OXIDATION_STATES>4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3107</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1211.5</MELTING_POINT>
    <SYMBOL>Ge</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      5.32
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d10 4s2 p2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.22</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.01</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.37</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      334.3
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      13.6
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      31.8
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.899</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.32
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      59.9
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM STATE="GAS">
    <NAME>Hydrogen</NAME>
    <ATOMIC_WEIGHT>1.00794</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>1</ATOMIC_NUMBER>
    <OXIDATION_STATES>1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">20.28</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">13.81</MELTING_POINT>
    <SYMBOL>H</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      0.0899
    </DENSITY>
    <ELECTRON_CONFIGURATION>1s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">0.32</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.1</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">2.08</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      0.4581
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      14.1
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      0.0585
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>13.598</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      14.304
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.1815
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM STATE='GAS'>
    <NAME>Helium</NAME>
    <ATOMIC_WEIGHT>4.0026</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>2</ATOMIC_NUMBER>
    <BOILING_POINT UNITS="Kelvin">4.216</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">0.95</MELTING_POINT>
    <SYMBOL>He</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      0.1785
    </DENSITY>
    <ELECTRON_CONFIGURATION>1s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">0.93</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>0</ELECTRONEGATIVITY>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      0.084
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      31.8
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      0.021
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>24.587</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      5.193
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.152
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Hafnium</NAME>
    <ATOMIC_WEIGHT>178.49</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>72</ATOMIC_NUMBER>
    <OXIDATION_STATES>4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">4875</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2504</MELTING_POINT>
    <SYMBOL>Hf</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      13.31
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d2 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.44</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.3</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.67</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      661.07
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      13.6
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      21.76
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.65</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.14
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      23
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Mercury</NAME>
    <ATOMIC_WEIGHT>200.59</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>80</ATOMIC_NUMBER>
    <OXIDATION_STATES>2, 1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">629.88</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">234.31</MELTING_POINT>
    <SYMBOL>Hg</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      13.55
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d10 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.49</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.6</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      59.3
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      14.8
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      2.292
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>10.437</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.140
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      8.34
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Holmium</NAME>
    <ATOMIC_WEIGHT>164.9303</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>67</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2968</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1747</MELTING_POINT>
    <SYMBOL>Ho</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      8.8
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f11 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.58</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.23</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.79</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      251.04
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      18.7
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      11.06
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.02</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.165
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      16.2
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Hassium</NAME>
    <ATOMIC_WEIGHT>265</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>108</ATOMIC_NUMBER>
    <SYMBOL>Hs</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f14 6d6 7s2 </ELECTRON_CONFIGURATION>



  </ATOM>

  <ATOM>
    <NAME>Iodine</NAME>
    <ATOMIC_WEIGHT>126.9045</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>53</ATOMIC_NUMBER>
    <OXIDATION_STATES>+/-1, 5, 7</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">457.5</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">386.7</MELTING_POINT>
    <SYMBOL>I</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      4.93
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d10 5s2 p5 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.33</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.66</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.32</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      20.9
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      25.7
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      7.76
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>10.451</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.145
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.449
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Indium</NAME>
    <ATOMIC_WEIGHT>114.82</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>49</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2350</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">429.78</MELTING_POINT>
    <SYMBOL>In</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      7.31
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d10 5s2 p1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.44</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.78</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.66</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      226.35
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      15.7
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      3.26
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.786</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.233
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      81.6
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Iridium</NAME>
    <ATOMIC_WEIGHT>192.22</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>77</ATOMIC_NUMBER>
    <OXIDATION_STATES>2, 3, 4, 6</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">4700</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2720</MELTING_POINT>
    <SYMBOL>Ir</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      22.6
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d7 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.27</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.2</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.36</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      563.58
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      8.54
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      26.36
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>9.1</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.13
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      147
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Potassium</NAME>
    <ATOMIC_WEIGHT>39.0983</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>19</ATOMIC_NUMBER>
    <OXIDATION_STATES>1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1033</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">336.8</MELTING_POINT>
    <SYMBOL>K</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      0.86
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 4s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">2.03</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>0.82</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">2.35</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      76.9
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      45.3
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      2.33
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>4.341</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.757
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      102.5
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Krypton</NAME>
    <ATOMIC_WEIGHT>83.8</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>36</ATOMIC_NUMBER>
    <BOILING_POINT UNITS="Kelvin">120.85</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">116</MELTING_POINT>
    <SYMBOL>Kr</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      3.75
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d10 4s2 p6 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.89</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>0</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.03</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      9.029
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      32.2
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      1.638
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>13.999</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.248
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.00949
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Lanthanum</NAME>
    <ATOMIC_WEIGHT>138.9055</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>57</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3737</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1191</MELTING_POINT>
    <SYMBOL>La</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      6.15
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 5d1 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.25</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.1</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.38</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      399.57
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      22.5
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      11.3
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.58</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.19
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      13.5
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Lithium</NAME>
    <ATOMIC_WEIGHT>6.941</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>3</ATOMIC_NUMBER>
    <OXIDATION_STATES>1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1615</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">453.7</MELTING_POINT>
    <SYMBOL>Li</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      0.53
    </DENSITY>
    <ELECTRON_CONFIGURATION>1s2 2s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.23</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>0.98</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.55</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      147.1
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      13.1
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      3
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.392</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      3.582
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      84.7
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Lawrencium</NAME>
    <ATOMIC_WEIGHT>262</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>103</ATOMIC_NUMBER>
    <MELTING_POINT UNITS="Kelvin">1900</MELTING_POINT>
    <SYMBOL>Lr</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f14 6d1 7s2 </ELECTRON_CONFIGURATION>


    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      10
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Lutetium</NAME>
    <ATOMIC_WEIGHT>174.967</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>71</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3668</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1936</MELTING_POINT>
    <SYMBOL>Lu</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      9.84
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d1 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.56</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.27</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.75</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      355
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      17.8
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      18.6
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.43</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.15
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      16.4
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Mendelevium</NAME>
    <ATOMIC_WEIGHT>258</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>101</ATOMIC_NUMBER>
    <MELTING_POINT UNITS="Kelvin">1100</MELTING_POINT>
    <SYMBOL>Md</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f13 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>1.3</ELECTRONEGATIVITY>

    <IONIZATION_POTENTIAL>6.58</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      10
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Magnesium</NAME>
    <ATOMIC_WEIGHT>24.305</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>12</ATOMIC_NUMBER>
    <OXIDATION_STATES>2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1380</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">922</MELTING_POINT>
    <SYMBOL>Mg</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      1.74
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ne] 3s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.36</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.31</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.6</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      127.6
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      14
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      8.95
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.646</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      1.02
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      156
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Manganese</NAME>
    <ATOMIC_WEIGHT>54.938</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>25</ATOMIC_NUMBER>
    <OXIDATION_STATES>7, 6, 4, 2, 3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2335</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1518</MELTING_POINT>
    <SYMBOL>Mn</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      7.44
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d5 4s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.17</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.55</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.35</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      219.74
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      7.39
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      14.64
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.435</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.48
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      7.82
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Molybdenum</NAME>
    <ATOMIC_WEIGHT>95.94</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>42</ATOMIC_NUMBER>
    <OXIDATION_STATES>6, 5, 4, 3, 2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">4912</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2896</MELTING_POINT>
    <SYMBOL>Mo</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      10.22
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d5 5s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.3</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.16</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.39</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      590.4
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      9.4
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      36
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.099</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.25
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      138
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Meitnerium</NAME>
    <ATOMIC_WEIGHT>266</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>109</ATOMIC_NUMBER>
    <SYMBOL>Mt</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f14 6d7 7s2 </ELECTRON_CONFIGURATION>



  </ATOM>

  <ATOM>
    <NAME>Nitrogen</NAME>
    <ATOMIC_WEIGHT>14.0067</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>7</ATOMIC_NUMBER>
    <OXIDATION_STATES>+/-3, 5, 4, 2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">77.344</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">63.15</MELTING_POINT>
    <SYMBOL>N</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      1.251
    </DENSITY>
    <ELECTRON_CONFIGURATION>1s2 2s2 p3 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">0.75</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>3.04</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">0.92</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      2.7928
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      17.3
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      0.36
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>14.534</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      1.042
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.02598
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Sodium</NAME>
    <ATOMIC_WEIGHT>22.98977</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>11</ATOMIC_NUMBER>
    <OXIDATION_STATES>1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1156</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">371</MELTING_POINT>
    <SYMBOL>Na</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      0.97
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ne] 3s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.54</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>0.93</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.9</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      98.01
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      23.7
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      2.601
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.139</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      1.23
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      141
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Niobium</NAME>
    <ATOMIC_WEIGHT>92.9064</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>41</ATOMIC_NUMBER>
    <OXIDATION_STATES>5, 3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">5015</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2742</MELTING_POINT>
    <SYMBOL>Nb</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      8.57
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d4 5s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.34</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.6</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.46</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      690.1
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      10.8
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      26.9
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.88</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.265
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      53.7
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Neodymium</NAME>
    <ATOMIC_WEIGHT>144.24</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>60</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3347</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1294</MELTING_POINT>
    <SYMBOL>Nd</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      7.01
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f4 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.64</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.14</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.82</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      283.68
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      20.6
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      10.88
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.49</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.19
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      16.5
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Neon</NAME>
    <ATOMIC_WEIGHT>20.1797</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>10</ATOMIC_NUMBER>
    <BOILING_POINT UNITS="Kelvin">27.1</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">24.55</MELTING_POINT>
    <SYMBOL>Ne</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      0.900
    </DENSITY>
    <ELECTRON_CONFIGURATION>1s2 2s2 p6 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">0.71</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>0</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">0.51</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      1.77
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      16.9
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      0.34
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>21.564</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      1.03
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.0493
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Nickel</NAME>
    <ATOMIC_WEIGHT>58.6934</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>28</ATOMIC_NUMBER>
    <OXIDATION_STATES>2, 3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3005</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1726</MELTING_POINT>
    <SYMBOL>Ni</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      8.9
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d8 4s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.15</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.91</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.24</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      377.5
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      6.6
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      17.2
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.635</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.444
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      90.7
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Nobelium</NAME>
    <ATOMIC_WEIGHT>259</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>102</ATOMIC_NUMBER>
    <MELTING_POINT UNITS="Kelvin">1100</MELTING_POINT>
    <SYMBOL>No</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f14 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>1.3</ELECTRONEGATIVITY>

    <IONIZATION_POTENTIAL>6.65</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      10
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Neptunium</NAME>
    <ATOMIC_WEIGHT>237.0482</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>93</ATOMIC_NUMBER>
    <OXIDATION_STATES>6, 5, 4, 3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">4175</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">912</MELTING_POINT>
    <SYMBOL>Np</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      20.2
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Rn] 5f4 6d1 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>1.36</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.3</ATOMIC_RADIUS>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      21.1
    </ATOMIC_VOLUME>
    <IONIZATION_POTENTIAL>6.19</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      6.3
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Oxygen</NAME>
    <ATOMIC_WEIGHT>15.9994</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>8</ATOMIC_NUMBER>
    <OXIDATION_STATES>-2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">90.188</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">54.8</MELTING_POINT>
    <SYMBOL>O</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      1.429
    </DENSITY>
    <ELECTRON_CONFIGURATION>1s2 2s2 p4 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">0.73</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>3.44</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">0.65</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      3.4109
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      14
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      0.222
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>13.618</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.92
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.2674
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Osmium</NAME>
    <ATOMIC_WEIGHT>190.2</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>76</ATOMIC_NUMBER>
    <OXIDATION_STATES>2, 3, 4, 6, 8</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">5300</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">3300</MELTING_POINT>
    <SYMBOL>Os</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      22.6
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d6 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.26</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.2</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.35</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      627.6
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      8.43
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      29.29
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>8.7</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.13
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      87.6
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Phosphorus</NAME>
    <ATOMIC_WEIGHT>30.97376</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>15</ATOMIC_NUMBER>
    <OXIDATION_STATES>+/-3, 5, 4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">553</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">317.3</MELTING_POINT>
    <SYMBOL>P</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      1.82
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ne] 3s2 p3 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.06</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.19</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.28</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      12.4
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      17
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      0.63
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>10.486</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.769
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.235
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Protactinium</NAME>
    <ATOMIC_WEIGHT>231.0359</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>91</ATOMIC_NUMBER>
    <OXIDATION_STATES>5, 4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">4300</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1845</MELTING_POINT>
    <SYMBOL>Pa</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      15.4
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Rn] 5f2 6d1 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>1.5</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.61</ATOMIC_RADIUS>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      15
    </ATOMIC_VOLUME>
    <IONIZATION_POTENTIAL>5.88</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      47
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Lead</NAME>
    <ATOMIC_WEIGHT>207.2</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>82</ATOMIC_NUMBER>
    <OXIDATION_STATES>4, 2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2023</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">600.65</MELTING_POINT>
    <SYMBOL>Pb</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      11.35
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d10 6s2 p2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.47</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.33</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.75</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      177.9
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      18.3
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      4.77
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.416</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.129
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      35.3
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Palladium</NAME>
    <ATOMIC_WEIGHT>106.42</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>46</ATOMIC_NUMBER>
    <OXIDATION_STATES>2, 4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3240</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1825</MELTING_POINT>
    <SYMBOL>Pd</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      12
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d10 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.28</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.2</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.37</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      393.3
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      8.9
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      16.74
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>8.34</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.244
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      71.8
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Promethium</NAME>
    <ATOMIC_WEIGHT>145</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>61</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3273</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1315</MELTING_POINT>
    <SYMBOL>Pm</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      7.22
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f5 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.63</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.13</ELECTRONEGATIVITY>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      22.4
    </ATOMIC_VOLUME>
    <IONIZATION_POTENTIAL>5.55</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      17.9
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Polonium</NAME>
    <ATOMIC_WEIGHT>209</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>84</ATOMIC_NUMBER>
    <OXIDATION_STATES>4, 2</OXIDATION_STATES>
    <MELTING_POINT UNITS="Kelvin">527</MELTING_POINT>
    <SYMBOL>Po</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      9.3
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d10 6s2 p4 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.53</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.67</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      120
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      22.7
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      13
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>8.42</IONIZATION_POTENTIAL>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      20
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Praseodymium</NAME>
    <ATOMIC_WEIGHT>140.9077</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>59</ATOMIC_NUMBER>
    <OXIDATION_STATES>3, 4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3785</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1204</MELTING_POINT>
    <SYMBOL>Pr</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      6.77
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f3 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.65</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.13</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.82</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      332.63
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      20.8
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      10.04
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.42</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.193
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      12.5
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Platinum</NAME>
    <ATOMIC_WEIGHT>195.08</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>78</ATOMIC_NUMBER>
    <OXIDATION_STATES>2, 4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">4100</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2042.1</MELTING_POINT>
    <SYMBOL>Pt</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      21.45
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d9 6s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.3</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.28</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.39</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      510.45
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      9.1
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      19.66
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>9</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.13
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      71.6
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Plutonium</NAME>
    <ATOMIC_WEIGHT>244</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>94</ATOMIC_NUMBER>
    <OXIDATION_STATES>6, 5, 4, 3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3505</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">913</MELTING_POINT>
    <SYMBOL>Pu</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      19.84
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Rn] 5f6 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>1.28</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.51</ATOMIC_RADIUS>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      12.32
    </ATOMIC_VOLUME>
    <IONIZATION_POTENTIAL>6.06</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.13
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      6.74
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Radium</NAME>
    <ATOMIC_WEIGHT>226.0254</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>88</ATOMIC_NUMBER>
    <OXIDATION_STATES>2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1413</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">973</MELTING_POINT>
    <SYMBOL>Ra</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      5
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Rn] 7s2 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>0.89</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">2.33</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      136.82
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      45.2
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      8.37
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.279</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.094
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      18.6
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Rubidium</NAME>
    <ATOMIC_WEIGHT>85.4678</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>37</ATOMIC_NUMBER>
    <OXIDATION_STATES>1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">961</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">312.63</MELTING_POINT>
    <SYMBOL>Rb</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      1.532
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 5s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">2.16</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>0.82</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">2.48</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      69.2
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      55.9
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      2.34
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>4.177</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.363
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      58.2
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Rhenium</NAME>
    <ATOMIC_WEIGHT>186.207</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>75</ATOMIC_NUMBER>
    <OXIDATION_STATES>7, 6, 4, 2, -1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">5870</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">3455</MELTING_POINT>
    <SYMBOL>Re</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      21
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d5 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.28</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.9</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.37</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      707.1
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      8.85
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      33.05
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.88</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.137
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      47.9
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Rutherfordium</NAME>
    <ATOMIC_WEIGHT>261</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>104</ATOMIC_NUMBER>
    <SYMBOL>Rf</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f14 6d2 7s2 </ELECTRON_CONFIGURATION>



  </ATOM>

  <ATOM>
    <NAME>Rhodium</NAME>
    <ATOMIC_WEIGHT>102.9055</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>45</ATOMIC_NUMBER>
    <OXIDATION_STATES>2, 3, 4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3970</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2236</MELTING_POINT>
    <SYMBOL>Rh</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      12.41
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d8 5s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.25</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.28</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.34</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      495.39
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      8.3
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      21.76
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.46</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.242
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      150
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Radon</NAME>
    <ATOMIC_WEIGHT>222</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>86</ATOMIC_NUMBER>
    <BOILING_POINT UNITS="Kelvin">211.4</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">202</MELTING_POINT>
    <SYMBOL>Rn</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      9.73
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d10 6s2 p6 </ELECTRON_CONFIGURATION>
    <ELECTRONEGATIVITY>0</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.34</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      16.4
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      50.5
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      2.9
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>10.748</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.094
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.00364
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Ruthenium</NAME>
    <ATOMIC_WEIGHT>101.07</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>44</ATOMIC_NUMBER>
    <OXIDATION_STATES>2, 3, 4, 6, 8</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">4425</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2610</MELTING_POINT>
    <SYMBOL>Ru</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      12.37
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d7 5s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.25</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.2</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.34</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      567.77
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      8.3
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      25.52
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.37</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.238
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      117
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Sulfur</NAME>
    <ATOMIC_WEIGHT>32.066</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>16</ATOMIC_NUMBER>
    <OXIDATION_STATES>+/-2, 4, 6</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">717.82</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">392.2</MELTING_POINT>
    <SYMBOL>S</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      2.07
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ne] 3s2 p4 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.02</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.58</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.27</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      10
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      15.5
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      1.73
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>10.36</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.71
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.269
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Silver</NAME>
    <ATOMIC_WEIGHT>107.868</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>47</ATOMIC_NUMBER>
    <OXIDATION_STATES>1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2436</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1235.08</MELTING_POINT>
    <SYMBOL>Ag</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      10.5
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d10 5s1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.34</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.93</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.44</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      250.63
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      10.3
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      11.3
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.576</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.232
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      429
    </THERMAL_CONDUCTIVITY>
  </ATOM>
  
  <ATOM>
    <NAME>Scandium</NAME>
    <ATOMIC_WEIGHT>44.9559</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>21</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3109</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1814</MELTING_POINT>
    <SYMBOL>Sc</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      2.99
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d1 4s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.44</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.36</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.62</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      304.8
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      15
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      16.11
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.54</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.568
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      15.8
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Selenium</NAME>
    <ATOMIC_WEIGHT>78.96</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>34</ATOMIC_NUMBER>
    <OXIDATION_STATES>-2, 4, 6</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">958</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">494</MELTING_POINT>
    <SYMBOL>Se</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      4.79
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d10 4s2 p4 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.16</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.55</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.4</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      26.32
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      16.5
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      5.54
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>9.752</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.32
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      2.04
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Seaborgium</NAME>
    <ATOMIC_WEIGHT>263</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>106</ATOMIC_NUMBER>
    <SYMBOL>Sg</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f14 6d4 7s2 </ELECTRON_CONFIGURATION>



  </ATOM>

  <ATOM>
    <NAME>Silicon</NAME>
    <ATOMIC_WEIGHT>28.0855</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>14</ATOMIC_NUMBER>
    <OXIDATION_STATES>4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2630</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1683</MELTING_POINT>
    <SYMBOL>Si</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      2.33
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ne] 3s2 p2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.11</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.9</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.32</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      359
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      12.1
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      50.2
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>8.151</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.70
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      148
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Samarium</NAME>
    <ATOMIC_WEIGHT>150.36</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>62</ATOMIC_NUMBER>
    <OXIDATION_STATES>3, 2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2067</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1347</MELTING_POINT>
    <SYMBOL>Sm</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      7.52
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f6 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.62</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.17</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.81</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      191.63
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      19.9
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      11.09
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.63</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.197
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      13.3
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Strontium</NAME>
    <ATOMIC_WEIGHT>87.62</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>38</ATOMIC_NUMBER>
    <OXIDATION_STATES>2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1655</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1042</MELTING_POINT>
    <SYMBOL>Sr</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      2.54
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 5s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.91</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>0.95</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">2.15</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      136.9
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      33.7
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      8.2
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.695</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.3
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      35.3
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Tantalum</NAME>
    <ATOMIC_WEIGHT>180.9479</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>73</ATOMIC_NUMBER>
    <OXIDATION_STATES>5</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">5730</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">3293</MELTING_POINT>
    <SYMBOL>Ta</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      16.65
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d3 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.34</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.5</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.49</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      737
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      10.9
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      36
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.89</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.14
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      57.5
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Terbium</NAME>
    <ATOMIC_WEIGHT>158.9253</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>65</ATOMIC_NUMBER>
    <OXIDATION_STATES>3, 4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3500</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1629</MELTING_POINT>
    <SYMBOL>Tb</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      8.23
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f9 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.59</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.1</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.8</ATOMIC_RADIUS>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      19.2
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      15.48
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>5.86</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.18
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      11.1
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Technetium</NAME>
    <ATOMIC_WEIGHT>98</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>43</ATOMIC_NUMBER>
    <OXIDATION_STATES>7</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">4538</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2477</MELTING_POINT>
    <SYMBOL>Tc</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      11.5
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d5 5s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.27</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.9</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.36</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      502
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      8.5
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      23
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.28</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.24
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      50.6
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Tellurium</NAME>
    <ATOMIC_WEIGHT>127.6</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>52</ATOMIC_NUMBER>
    <OXIDATION_STATES>-2, 4, 6</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1261</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">722.72</MELTING_POINT>
    <SYMBOL>Te</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      6.24
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d10 5s2 p4 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.36</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.1</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.42</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      50.63
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      20.5
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      17.49
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>9.009</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.202
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      2.35
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Thorium</NAME>
    <ATOMIC_WEIGHT>232.0381</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>90</ATOMIC_NUMBER>
    <OXIDATION_STATES>4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">5060</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2028</MELTING_POINT>
    <SYMBOL>Th</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      11.72
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Rn] 6d2 7s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.65</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.3</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.8</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      543.92
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      19.9
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      15.65
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.08</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.113
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      54
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Tin</NAME>
    <ATOMIC_WEIGHT>118.71</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>50</ATOMIC_NUMBER>
    <OXIDATION_STATES>4, 2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2876</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">505.12</MELTING_POINT>
    <SYMBOL>Sn</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      7.31
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d10 5s2 p2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.41</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.96</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.62</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      290.37
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      16.3
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      7.2
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.344</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.228
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      66.6
    </THERMAL_CONDUCTIVITY>
  </ATOM>
  
  <ATOM>
    <NAME>Titanium</NAME>
    <ATOMIC_WEIGHT>47.88</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>22</ATOMIC_NUMBER>
    <OXIDATION_STATES>4, 3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3560</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1945</MELTING_POINT>
    <SYMBOL>Ti</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      4.54
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d2 4s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.32</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.54</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.45</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      425.2
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      10.6
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      18.6
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.82</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.523
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      21.9
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Thallium</NAME>
    <ATOMIC_WEIGHT>204.383</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>81</ATOMIC_NUMBER>
    <OXIDATION_STATES>3, 1</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1746</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">577</MELTING_POINT>
    <SYMBOL>Tl</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      11.85
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d10 6s2 p1 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.48</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.04</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.71</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      162.09
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      17.2
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      4.27
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.108</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.129
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      46.1
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Thulium</NAME>
    <ATOMIC_WEIGHT>168.9342</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>69</ATOMIC_NUMBER>
    <OXIDATION_STATES>3, 2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">2223</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1818</MELTING_POINT>
    <SYMBOL>Tm</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      9.32
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f13 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.56</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.25</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.77</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      191
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      18.1
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      16.8
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.184</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.16
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      16.8
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Uranium</NAME>
    <ATOMIC_WEIGHT>238.029</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>92</ATOMIC_NUMBER>
    <OXIDATION_STATES>6, 5, 4, 3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">4407</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1408</MELTING_POINT>
    <SYMBOL>U</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      18.95
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Rn] 5f3 6d1 7s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.42</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.38</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.38</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      422.58
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      12.5
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      15.48
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.05</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.12
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      27.6
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>ununbium</NAME>
    <ATOMIC_WEIGHT>277</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>112</ATOMIC_NUMBER>
    <SYMBOL>Uub</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f14 6d10 7s2 </ELECTRON_CONFIGURATION>



  </ATOM>

  <ATOM>
    <NAME>ununnilium</NAME>
    <ATOMIC_WEIGHT>269</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>110</ATOMIC_NUMBER>
    <SYMBOL>Uun</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f14 6d8 7s2 </ELECTRON_CONFIGURATION>



  </ATOM>

  <ATOM>
    <NAME>unununium</NAME>
    <ATOMIC_WEIGHT>272</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>111</ATOMIC_NUMBER>
    <SYMBOL>Uuu</SYMBOL>
    <ELECTRON_CONFIGURATION>[Rn] 5f14 6d9 7s2 </ELECTRON_CONFIGURATION>



  </ATOM>

  <ATOM>
    <NAME>Vanadium</NAME>
    <ATOMIC_WEIGHT>50.9415</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>23</ATOMIC_NUMBER>
    <OXIDATION_STATES>5, 4, 3, 2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3650</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2163</MELTING_POINT>
    <SYMBOL>V</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      6.11
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d3 4s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.22</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.63</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.34</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      446.7
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      8.35
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      20.8
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.74</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.489
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      30.7
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Tungsten</NAME>
    <ATOMIC_WEIGHT>183.85</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>74</ATOMIC_NUMBER>
    <OXIDATION_STATES>6, 5, 4, 3, 2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">5825</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">3695</MELTING_POINT>
    <SYMBOL>W</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      19.3
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 5d4 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.3</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.36</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.41</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      422.58
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      9.53
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      35.4
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>7.98</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.13
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      174
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM STATE='GAS'>
    <NAME>Xenon</NAME>
    <ATOMIC_WEIGHT>131.29</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>54</ATOMIC_NUMBER>
    <BOILING_POINT UNITS="Kelvin">165.1</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">161.39</MELTING_POINT>
    <SYMBOL>Xe</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      5.9
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d10 5s2 p6 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.31</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>2.6</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.24</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      12.64
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      42.9
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      2.3
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>12.13</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.158
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      0.00569
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Yttrium</NAME>
    <ATOMIC_WEIGHT>88.9059</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>39</ATOMIC_NUMBER>
    <OXIDATION_STATES>3</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">3611</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">1795</MELTING_POINT>
    <SYMBOL>Y</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      4.47
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d1 5s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.62</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.22</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.78</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      363.3
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      19.8
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      17.5
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.38</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.3
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      17.2
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Ytterbium</NAME>
    <ATOMIC_WEIGHT>173.04</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>70</ATOMIC_NUMBER>
    <OXIDATION_STATES>3, 2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1469</BOILING_POINT>
        <MELTING_POINT UNITS="Kelvin">1092</MELTING_POINT>
    <SYMBOL>Yb</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      6.97
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Xe] 4f14 6s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.7</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.1</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.94</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      128
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      24.8
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      7.7
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.254</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.155
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      34.9
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Zinc</NAME>
    <ATOMIC_WEIGHT>65.39</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>30</ATOMIC_NUMBER>
    <OXIDATION_STATES>2</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">1180</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">692.73</MELTING_POINT>
    <SYMBOL>Zn</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      7.13
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Ar] 3d10 4s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.25</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.65</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.38</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      115.3
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      9.2
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      7.38
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>9.394</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.388
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      116
    </THERMAL_CONDUCTIVITY>
  </ATOM>

  <ATOM>
    <NAME>Zirconium</NAME>
    <ATOMIC_WEIGHT>91.224</ATOMIC_WEIGHT>
    <ATOMIC_NUMBER>40</ATOMIC_NUMBER>
    <OXIDATION_STATES>4</OXIDATION_STATES>
    <BOILING_POINT UNITS="Kelvin">4682</BOILING_POINT>
    <MELTING_POINT UNITS="Kelvin">2128</MELTING_POINT>
    <SYMBOL>Zr</SYMBOL>
    <DENSITY UNITS="grams/cubic centimeter"><!-- At 300K -->
      6.51
    </DENSITY>
    <ELECTRON_CONFIGURATION>[Kr] 4d2 5s2 </ELECTRON_CONFIGURATION>
    <COVALENT_RADIUS UNITS="Angstroms">1.45</COVALENT_RADIUS>
    <ELECTRONEGATIVITY>1.33</ELECTRONEGATIVITY>
    <ATOMIC_RADIUS UNITS="Angstroms">1.6</ATOMIC_RADIUS>
    <HEAT_OF_VAPORIZATION UNITS="kilojoules/mole">
      590.5
    </HEAT_OF_VAPORIZATION>
    <ATOMIC_VOLUME UNITS="cubic centimeters/mole">
      14.1
    </ATOMIC_VOLUME>
    <HEAT_OF_FUSION UNITS="kilojoules/mole">
      21
    </HEAT_OF_FUSION>
    <IONIZATION_POTENTIAL>6.84</IONIZATION_POTENTIAL>
    <SPECIFIC_HEAT_CAPACITY UNITS="Joules/gram/degree Kelvin">
      0.278
    </SPECIFIC_HEAT_CAPACITY>
    <THERMAL_CONDUCTIVITY UNITS="Watts/meter/degree Kelvin">
    <!-- At 300K -->
      22.7
    </THERMAL_CONDUCTIVITY>
  </ATOM>
  
</PERIODIC_TABLE>
