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H – gas Li – solid Br - Liquid Tc – Synthetic. Non-Metals. Alkali Earth Metals. Other Metals. Halogens. Alkali Metals. Transition Metals. Rare Metals. Inert Elements. Periodic Table Of Elements. 1. 18. 1 H. 2 He. 1 2 3 4 5 6 7. 2. 13. 14. 15. 16. 17. 3 Li. 4

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  1. H – gas Li – solid Br - Liquid Tc – Synthetic Non-Metals Alkali Earth Metals Other Metals Halogens Alkali Metals Transition Metals Rare Metals Inert Elements Periodic Table Of Elements 1 18 1 H 2 He 1 2 3 4 5 6 7 2 13 14 15 16 17 3 Li 4 Be 5 B 6 C 7 N 8 O 9 F 10 Ne Group 11 Na 12 Mg 13 Al 14 Si 15 P 16 S 17 Cl 18 Ar 3 4 5 6 7 8 9 10 11 12 Period 19 K 20 Ca 21 Sc 22 Ti 23 V 24 Cr 25 Mn 26 Fe 27 Co 28 Ni 29 Cu 30 Zn 31 Ga 32 Ge 33 As 34 Se 35 Br 36 Kr 37 Rb 38 Sr 39 Y 40 Zr 41 Nb 42 Mo 43 Tc 44 Ru 45 Rh 46 Pd 47 Ag 48 Cd 49 In 50 Sn 51 Sb 52 Te 53 I 54 Xe 55 Cs 56 Ba 57 *La 72 Hf 73 Ta 74 W 75 Re 76 Os 77 Ir 78 Pt 79 Au 80 Hg 81 Tl 82 Pb 83 Bi 84 Po 85 At 86 Rn 87 Fr 88 Ra 89 *Ac 104 Rf 105 Db 106 Sg 107 Bh 108 Hs 109 Mt 110 Uun 111 Uuu 112 Uub *Lanthanide Series *Actinide Series 58 Ce 59 Pr 60 Nd 61 Pm 62 Sm 63 Eu 64 Gd 65 Tb 66 Dy 67 Ho 68 Er 69 Tm 70 Yb 71 Lu 90 Th 91 Pa 92 U 93 Np 94 Pu 95 Am 96 Cm 97 Bk 98 Cf 99 Es 100 Fm 101 Md 102 No 103 Lr

  2. Atomic # Symbol Name Atomic Mass Hydrogen • Element Information • Atomic Number 1 • Atomic Mass 1.00794 • Discovery (year) 1766 • Atomic Radius (A) 0.37 • Melting Point (°C) -259.14 • Boiling Point (°C) -252.87 • Density (g/cm3) 0.0898 • Specific Heat (cal/g °C) 3.45 • Ionization Potential (eV) 13.598 • Electron Affinity (eV) 0.7542 1 H Hydrogen 1.00794 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  3. Atomic # Symbol Name Atomic Mass Helium • Element Information • Atomic Number 2 • Atomic Mass 4.002602 • Discovery (year) 1895 • Atomic Radius (A) 1.5 • Melting Point (°C) -272.2 • Boiling Point (°C) -268.9 • Density (g/cm3) 0.179 • Specific Heat (cal/g °C) 5.195 • Ionization Potential (eV) 24.587 • Electron Affinity (eV) 0 2 He Helium 4.002602 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  4. Atomic # Symbol Name Atomic Mass Lithium • Element Information • Atomic Number 3 • Atomic Mass 6.941 • Discovery (year) 1817 • Atomic Radius (A) 1.52 • Melting Point (°C) 179 • Boiling Point (°C) 1327 • Density (g/cm3) 0.534 • Specific Heat (cal/g °C) 0.79 • Ionization Potential (eV) 5.392 • Electron Affinity (eV) 0.62 3 Li Lithium 6.941 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  5. Atomic # Symbol Name Atomic Mass Beryllium • Element Information • Atomic Number 4 • Atomic Mass 9.012182 • Discovery (year) 1797 • Atomic Radius (A) 1.13 • Melting Point (°C) 1278 • Boiling Point (°C) 2399 • Density (g/cm3) 1.84 • Specific Heat (cal/g °C) 0.45 • Ionization Potential (eV) 9.322 • Electron Affinity (eV) 0 4 Be Beryllium 9.012182 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  6. Atomic # Symbol Name Atomic Mass Boron • Element Information • Atomic Number 5 • Atomic Mass 10.811 • Discovery (year) 1808 • Atomic Radius (A) 0.9 • Melting Point (°C) 2300 • Boiling Point (°C) 2550 • Density (g/cm3) 2.53 • Specific Heat (cal/g °C) 0.309 • Ionization Potential (eV) 8.298 • Electron Affinity (eV) 0.23 5 B Boron 10.811 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  7. Atomic # Symbol Name Atomic Mass Carbon • Element Information • Atomic Number 6 • Atomic Mass 12.011 • Discovery (year) 1789 • Atomic Radius (A) 0.77 • Melting Point (°C) 3500 • Boiling Point (°C) 4918 • Density (g/cm3) 2.25 • Specific Heat (cal/g °C) 0.165 • Ionization Potential (eV) 11.26 • Electron Affinity (eV) 1.268 6 C Carbon 12.011 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  8. Atomic # Symbol Name Atomic Mass Nitrogen • Element Information • Atomic Number 7 • Atomic Mass 14.00674 • Discovery (year) 1772 • Atomic Radius (A) 0.53 • Melting Point (°C) -209.86 • Boiling Point (°C) -195.8 • Density (g/cm3) 1.25 • Specific Heat (cal/g °C) .247 • Ionization Potential (eV)14.534 • Electron Affinity (eV) 0 7 N Nitrogen 14.00674 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  9. Atomic # Symbol Name Atomic Mass Oxygen • Element Information • Atomic Number 8 • Atomic Mass 15.9994 • Discovery (year) 1774 • Atomic Radius (A) 0.61 • Melting Point (°C) -218.4 • Boiling Point (°C) -182.97 • Density (g/cm3) 1.429 • Specific Heat (cal/g °C) .218 • Ionization Potential (eV) 13.618 • Electron Affinity (eV) 1.462 8 O Oxygen 15.9994 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  10. Atomic # Symbol Name Atomic Mass Fluorine • Element Information • Atomic Number 9 • Atomic Mass 18.9984032 • Discovery (year) 1886 • Atomic Radius (A) 0.71 • Melting Point (°C) -219.62 • Boiling Point (°C) -188.14 • Density (g/cm3) 1.71 • Specific Heat (cal/g °C) 0.18 • Ionization Potential (eV) 17.422 • Electron Affinity (eV) 3.399 9 F Fluorine 18.9984032 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  11. Atomic # Symbol Name Atomic Mass Sodium • Element Information • Atomic Number 11 • Atomic Mass 22.989770 • Discovery (year) 1807 • Atomic Radius (A) 2.23 • Melting Point (°C) 97.80 • Boiling Point (°C) 883 • Density (g/cm3) 97 • Specific Heat (cal/g °C) 1.23 • Ionization Potential (eV) 5.139 • Electron Affinity (eV) -0.546 11 Na Sodium 22.989770 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  12. Atomic # Symbol Name Atomic Mass Magnesium • Element Information • Atomic Number 12 • Atomic Mass 24.3050 • Discovery (year) 1808 • Atomic Radius (A) 1.72 • Melting Point (°C) 650 • Boiling Point (°C) 1090 • Density (g/cm3) 1.74 • Specific Heat (cal/g °C) 1.02 • Ionization Potential (eV) 7.646 • Electron Affinity (eV) 0 12 Mg Magnesium 24.3050 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  13. Atomic # Symbol Name Atomic Mass Aluminium • Element Information • Atomic Number 13 • Atomic Mass 26.981539 • Discovery (year) 1825 • Atomic Radius (A) 1.43 • Melting Point (°C) 660.4 • Boiling Point (°C) 2486 • Density (g/cm3) 2.69 • Specific Heat (cal/g °C) 0.215 • Ionization Potential (eV) 5.986 • Electron Affinity (eV) 0.46 13 Al Aluminium 26.981539 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  14. Atomic # Symbol Name Atomic Mass Silicone • Element Information • Atomic Number 14 • Atomic Mass 28.0855 • Discovery (year) 1824 • Atomic Radius (A) 1.46 • Melting Point (°C) 1414 • Boiling Point (°C) 3265 • Density (g/cm3) 2.3296 • Specific Heat (cal/g °C) .71 • Ionization Potential (eV) 8.151 • Electron Affinity (eV) 1.385 14 Si Silicone 28.0855 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  15. Atomic # Symbol Name Atomic Mass Phosphorus • Element Information • Atomic Number 15 • Atomic Mass 30.973761 • Discovery (year) 1669 • Atomic Radius (A) 1.23 • Melting Point (°C) 44.15 • Boiling Point (°C) 280.5 • Density (g/cm3) 1.82 • Specific Heat (cal/g °C) .77 • Ionization Potential (eV) 10.486 • Electron Affinity (eV) .7469 15 P Phosphorus 30.973761 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  16. Atomic # Symbol Name Atomic Mass Sulfur • Element Information • Atomic Number 16 • Atomic Mass 32.065 • Discovery (year) 1777 • Atomic Radius (A) 1.09 • Melting Point (°C) 115,21 • Boiling Point (°C) 444.6 • Density (g/cm3) 2.067 • Specific Heat (cal/g °C) .71 • Ionization Potential (eV) 10.36 • Electron Affinity (eV) .0772 16 S Sulfur 32.065 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  17. Atomic # Symbol Name Atomic Mass Chlorine • Element Information • Atomic Number 17 • Atomic Mass 35.453 • Discovery (year) 1774 • Atomic Radius (A) .97 • Melting Point (°C) -101.5 • Boiling Point (°C) -34.04 • Density (g/cm3) .003214 • Specific Heat (cal/g °C) .48 • Ionization Potential (eV) 12.967 • Electron Affinity (eV) 3.615 17 Cl Chlorine 35.453 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  18. Atomic # Symbol Name Atomic Mass Argon • Element Information • Atomic Number 18 • Atomic Mass 39.948 • Discovery (year) 1894 • Atomic Radius (A) .88 • Melting Point (°C) -189.25 • Boiling Point (°C) -185.85 • Density (g/cm3) .0017837 • Specific Heat (cal/g °C) .52 • Ionization Potential (eV) 15.789 • Electron Affinity (eV) 0 18 Ar Argon 39.948 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  19. Atomic # Symbol Name Atomic Mass Iron • Element Information • Atomic Number 26 • Atomic Mass 55.845 • Discovery (year) 3096b.c. • Atomic Radius (A) 1.72 • Melting Point (°C) 1538 • Boiling Point (°C) 2861 • Density (g/cm3) 7.874 • Specific Heat (cal/g °C) .44 • Ionization Potential (eV) 7.87 • Electron Affinity (eV) .14 26 Fe Iron 55.845 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  20. Atomic # Symbol Name Atomic Mass Cobalt • Element Information • Atomic Number 27 • Atomic Mass 58.9332 • Discovery (year) 1739 • Atomic Radius (A) 1.67 • Melting Point (°C) 1495 • Boiling Point (°C) 2927 • Density (g/cm3) 8.86 • Specific Heat (cal/g °C) .42 • Ionization Potential (eV) 7.86 • Electron Affinity (eV) .7 27 Co Cobalt 58.9332 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  21. Atomic # Symbol Name Atomic Mass Nickel • Element Information • Atomic Number 28 • Atomic Mass 58.6934 • Discovery (year) 1751 • Atomic Radius (A) 1.62 • Melting Point (°C) 1455 • Boiling Point (°C) 2913 • Density (g/cm3) 8.912 • Specific Heat (cal/g °C) .44 • Ionization Potential (eV) 8.912 • Electron Affinity (eV) 1.15 28 Ni Nickel 58.6934 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  22. Atomic # Symbol Name Atomic Mass Copper • Element Information • Atomic Number 29 • Atomic Mass 63.546 • Discovery (year) 8996b.c. • Atomic Radius (A) 1.57 • Melting Point (°C) 1084.62 • Boiling Point (°C) 2562 • Density (g/cm3) 8.933 • Specific Heat (cal/g °C) .38 • Ionization Potential (eV) 7.726 • Electron Affinity (eV) 1.226 29 Cu Copper 63.546 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  23. Atomic # Symbol Name Atomic Mass Zinc • Element Information • Atomic Number 30 • Atomic Mass 65.409 • Discovery (year) 496b.c. • Atomic Radius (A) 1.53 • Melting Point (°C) 419.53 • Boiling Point (°C) 907 • Density (g/cm3) 5.23 • Specific Heat (cal/g °C) .39 • Ionization Potential (eV) 9.394 • Electron Affinity (eV) 0 30 Zn Zinc 65.409 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  24. Atomic # Symbol Name Atomic Mass Gallium • Element Information • Atomic Number 31 • Atomic Mass 69.723 • Discovery (year) 1871 • Atomic Radius (A) 1.81 • Melting Point (°C) 29.76 • Boiling Point (°C) 2204 • Density (g/cm3) 5.91 • Specific Heat (cal/g °C) .37 • Ionization Potential (eV) 5.94 • Electron Affinity (eV) .3 31 Ga Gallium 69.723 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  25. Atomic # Symbol Name Atomic Mass Germanium • Element Information • Atomic Number 32 • Atomic Mass 72.64 • Discovery (year) 1871 • Atomic Radius (A) 1.52 • Melting Point (°C) 938.25 • Boiling Point (°C) 2833 • Density (g/cm3) 5.323 • Specific Heat (cal/g °C) .32 • Ionization Potential (eV) 7.899 • Electron Affinity (eV) 1.2 32 Ge Germanium 72.64 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  26. Rubidium • Element Information • Atomic Number 37 • Atomic Mass 85.4678 • Discovery (year) 1861 • Atomic Radius (A) 2.44 • Melting Point 38.89 • Boiling Point (°C) 679.5 • Density (g/cm3) 1.532 • Specific Heat (cal/g °C) 0.08 • Ionization Potential (eV)4.177 • Electron Affinity (eV) 0.486 37 Rb Rubidium 85.4678 Atomic # Symbol Name Atomic Mass Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  27. Atomic # Symbol Name Atomic Mass Strontium • Element Information • Atomic Number 38 • Atomic Mass 87.62 • Discovery (year) 1808 • Atomic Radius (A) 2.15 • Melting Point 769 • Boiling Point (°C) 1383 • Density (g/cm3) 2.6 • Specific Heat (cal/g °C) 0.176 • Ionization Potential (eV) 5.695 • Electron Affinity (eV) 0 38 Sr Strontium 87.62 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  28. Atomic # Symbol Name Atomic Mass Rothenium • Element Information • Atomic Number 44 • Atomic Mass 101.07 • Discovery (year) 1844 • Atomic Radius (A) 1.33 • Melting Point 2250 • Boiling Point (°C) 3900 • Density (g/cm3) 12.06 • Specific Heat (cal/g °C) 0.057 • Ionization Potential (eV) 7.37 • Electron Affinity (eV) 1.1 44 Ru Rothenium 101.07 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  29. Atomic # Symbol Name Atomic Mass Rhodium • Element Information • Atomic Number 45 • Atomic Mass 102.9055 • Discovery (year) 1803 • Atomic Radius (A) 1.34 • Melting Point 1963 • Boiling Point (°C) 3727 • Density (g/cm3) 12.44 • Specific Heat (cal/g °C) 0.059 • Ionization Potential (eV) 7.46 • Electron Affinity (eV) 1.2 45 Rh Rhodium 102.9055 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  30. Atomic # Symbol Name Atomic Mass Palladium • Element Information • Atomic Number 46 • Atomic Mass 106.42 • Discovery (year) 1803 • Atomic Radius (A) 1.37 • Melting Point 1554 • Boiling Point (°C) 3167 • Density (g/cm3) 12.16 • Specific Heat (cal/g °C) 0.058 • Ionization Potential (eV) 8.34 • Electron Affinity (eV) 0.6 46 Pd Palladium 106.42 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  31. Atomic # Symbol Name Atomic Mass Silver • Element Information • Atomic Number 47 • Atomic Mass 107.8682 • Discovery (year) unknown • Atomic Radius (A) 165 • Melting Point 961.63 • Boiling Point (°C) 2212 • Density (g/cm3) 10.5 • Specific Heat (cal/g °C) unknown • Ionization Potential (eV) Unknown • Electron Affinity (eV) 0 47 Ag Silver 107.8682 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  32. Atomic # Symbol Name Atomic Mass Cadmium • Element Information • Atomic Number 48 • Atomic Mass 112.411 • Discovery (year) 1817 • Atomic Radius (A) 161 • Melting Point 320.9 • Boiling Point (°C) 765 • Density (g/cm3) 293 • Specific Heat (cal/g °C) unknown • Ionization Potential (eV) Unknown • Electron Affinity (eV) 0 48 Cd Cadmium 112.411 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  33. Atomic # Symbol Name Atomic Mass Antimony • Element Information • Atomic Number 51 • Atomic Mass 121.757 • Discovery (year) 1600 • Atomic Radius (A) 1.45 • Melting Point (°C) 630.7 • Boiling Point (°C) 1617 • Density (g/cm3) 6.69 • Specific Heat (cal/g °C) 0.049 • Ionization Potential (eV) 8.641 • Electron Affinity (eV) 1.05 51 Sb Antimony 121.757 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  34. Atomic # Symbol Name Atomic Mass Tellurium • Element Information • Atomic Number 52 • Atomic Mass 127.6 • Discovery (year) 1783 • Atomic Radius (A) 1.43 • Melting Point (°C) 449.8 • Boiling Point (°C) 989.8 • Density (g/cm3) 6.25 • Specific Heat (cal/g °C) 0.047 • Ionization Potential (eV) 9.009 • Electron Affinity (eV) 1.9708 52 Te Tellerium 127.6 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  35. Atomic # Symbol Name Atomic Mass Iodine 53 I Iodine 126.90447 • Element Information • Atomic Number 53 • Atomic Mass 126.90447 • Discovery (year) 1811 • Atomic Radius (A) 1.34 • Melting Point (°C) 113.6 • Boiling Point (°C) 182.8 • Density (g/cm3) 4.93 • Specific Heat (cal/g °C) 0.052 • Ionization Potential (eV) 10.451 • Electron Affinity (eV) 3.061 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  36. Atomic # Symbol Name Atomic Mass Iodine • Element Information • Atomic Number 54 • Atomic Mass 131.293 • Discovery (year) 1898 • Atomic Radius (A) unknown • Melting Point 161.36 • Boiling Point (°C) 165.03 • Density (g/cm3) .005887 • Specific Heat (cal/g °C) unknown • Ionization Potential (eV) 12.130 • Electron Affinity (eV) unknown 54 Xe Xenon 131.293 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  37. Atomic # Symbol Name Atomic Mass Cosium • Element Information • Atomic Number 55 • Atomic Mass 132.91 • Discovery (year) 1860 • Atomic Radius (A) 2.62 • Melting Point (°C) 28.5 • Boiling Point (°C) 703.9 • Density (g/cm3) 1.87 • Specific Heat (cal/g °C) .052 • Ionization Potential (eV) 3.844 • Electron Affinity (eV) .4715 55 Cs Cosium 132.91 Source: http://www.chemicalelements.com/elements/uun.html http://www.qivx.com/ispt/elements/ptw_110.php http://www.hull.ac.uk/php/chsajb/periodictable/ptable_v6.html http://www.vcs.ethz.ch/chemglobe/ptoe/indext.html

  38. Atomic # Symbol Name Atomic Mass Bariam • Element Information • Atomic Number 56 • Atomic Mass 137.32 • Discovery (year) 1808 • Atomic Radius (A) 2.18 • Melting Point (°C) 723 • Boiling Point (°C) 1639 • Density (g/cm3) 3.5 • Specific Heat (cal/g °C) .068 • Ionization Potential (eV) 5.212 • Electron Affinity (eV) 0 56 Ba Bariam 137.32 Source: http://www.chemicalelements.com/elements/uun.html http://www.qivx.com/ispt/elements/ptw_110.php http://www.hull.ac.uk/php/chsajb/periodictable/ptable_v6.html http://www.vcs.ethz.ch/chemglobe/ptoe/indext.html

  39. Atomic # Symbol Name Atomic Mass Lanthanam • Element Information • Atomic Number 57 • Atomic Mass 138.91 • Discovery (year) 1939 • Atomic Radius (A) 1.88 • Melting Point (°C) ? • Boiling Point (°C) ? • Density (g/cm3) 6.15 • Specific Heat (cal/g °C) .045 • Ionization Potential (eV) 5.577 • Electron Affinity (eV) .5 57 La Lanthanam 138.91 Source: http://www.chemicalelements.com/elements/uun.html http://www.qivx.com/ispt/elements/ptw_110.php http://www.hull.ac.uk/php/chsajb/periodictable/ptable_v6.html http://www.vcs.ethz.ch/chemglobe/ptoe/indext.html

  40. Atomic # Symbol Name Atomic Mass Europium • Element Information • Atomic Number 63 • Atomic Mass 151.964 • Discovery (year) 1896 • Atomic Radius (A) 2.56 • Melting Point (°C) 822 • Boiling Point (°C) 1529 • Density (g/cm3) 5.24 • Specific Heat (cal/g °C) .18 • Ionization Potential (eV) 5.67 • Electron Affinity (eV) 63 Eu Europium 151.964 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  41. Atomic # Symbol Name Atomic Mass Gadolinium • Element Information • Atomic Number 64 • Atomic Mass 167.25 • Discovery (year) 1880 • Atomic Radius (A) 2.54 • Melting Point (°C) 1313 • Boiling Point (°C) 3273 • Density (g/cm3) 7.90 • Specific Heat (cal/g °C) .23 • Ionization Potential (eV) 6.15 • Electron Affinity (eV) 64 Gd Gadolinium 167.25 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  42. Atomic # Symbol Name Atomic Mass Terbium • Element Information • Atomic Number 65 • Atomic Mass 158.92534 • Discovery (year) 1877 • Atomic Radius (A) 2.51 • Melting Point (°C) 1356 • Boiling Point (°C) 3230 • Density (g/cm3) 8.23 • Specific Heat (cal/g °C) .18 • Ionization Potential (eV) 5.86 • Electron Affinity (eV) 65 Tb terbium 158.92534 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  43. Atomic # Symbol Name Atomic Mass Dysprosium • Element Information • Atomic Number 66 • Atomic Mass 162.5 • Discovery (year) 1886 • Atomic Radius (A) 2.49 • Melting Point (°C) 1412 • Boiling Point (°C) 2567 • Density (g/cm3) 8.55 • Specific Heat (cal/g °C) .17 • Ionization Potential (eV) 5.94 • Electron Affinity (eV) 66 Dy Dysprosium 162.5 Source: http://ccinfo.ims.ac.jp/periodic/periodic-main.html

  44. Atomic # Symbol Name Atomic Mass Hafniam • Element Information • Atomic Number 72 • Atomic Mass 178.49 • Discovery (year) 1925 • Atomic Radius (A) 1.6 • Melting Point (°C) ? • Boiling Point (°C) ? • Density (g/cm3) 13.3 • Specific Heat (cal/g °C) .015 • Ionization Potential (eV) 7 • Electron Affinity (eV) 0 72 Hf Hafniam 178.49 Source: http://www.chemicalelements.com/elements/uun.html http://www.qivx.com/ispt/elements/ptw_110.php http://www.hull.ac.uk/php/chsajb/periodictable/ptable_v6.html http://www.vcs.ethz.ch/chemglobe/ptoe/indext.html

  45. Atomic # Symbol Name Atomic Mass Tantaium • Element Information • Atomic Number 73 • Atomic Mass 180.95 • Discovery (year) 1802 • Atomic Radius (A) 1.43 • Melting Point (°C) 2996 • Boiling Point (°C) 5425 • Density (g/cm3) 16.6 • Specific Heat (cal/g °C) .036 • Ionization Potential (eV) 7.84 • Electron Affinity (eV) .6 73 Ta Tantaium 180.95 Source: http://www.chemicalelements.com/elements/uun.html http://www.qivx.com/ispt/elements/ptw_110.php http://www.hull.ac.uk/php/chsajb/periodictable/ptable_v6.html http://www.vcs.ethz.ch/chemglobe/ptoe/indext.html

  46. Atomic # Symbol Name Atomic Mass Tungsten • Element Information • Atomic Number 74 • Atomic Mass 183.94 • Discovery (year) 1783 • Atomic Radius (A) 1.37 • Melting Point (°C) 3347 • Boiling Point (°C) 5427 • Density (g/cm3) 19.1 • Specific Heat (cal/g °C) .032 • Ionization Potential (eV) 7.98 • Electron Affinity (eV) .6 74 W Tungsten 183.94 Source: http://www.chemicalelements.com/elements/uun.html http://www.qivx.com/ispt/elements/ptw_110.php http://www.hull.ac.uk/php/chsajb/periodictable/ptable_v6.html http://www.vcs.ethz.ch/chemglobe/ptoe/indext.html

  47. Atomic # Symbol Name Atomic Mass Rhenium • Element Information • Atomic Number 75 • Atomic Mass 186.21 • Discovery (year) 1925 • Atomic Radius (A) 1.35 • Melting Point (°C) 3180 • Boiling Point (°C) 5627 • Density (g/cm3) 21.2 • Specific Heat (cal/g °C) .031 • Ionization Potential (eV) 1.1 • Electron Affinity (eV) 1.6 75 Re Rhenium 186.21 Source: http://www.chemicalelements.com/elements/uun.html http://www.qivx.com/ispt/elements/ptw_110.php http://www.hull.ac.uk/php/chsajb/periodictable/ptable_v6.html http://www.vcs.ethz.ch/chemglobe/ptoe/indext.html

  48. Atomic # Symbol Name Atomic Mass Osmium • Element Information • Atomic Number 76 • Atomic Mass 100.23 • Discovery (year) 1804 • Atomic Radius (A) 1.35 • Melting Point (°C) 2700 • Boiling Point (°C) 5500 • Density (g/cm3) 22.5 • Specific Heat (cal/g °C) .013 • Ionization Potential (eV) 8.7 • Electron Affinity (eV) 1.1 76 Os Osmium 100.23 Source: http://www.chemicalelements.com/elements/uun.html http://www.qivx.com/ispt/elements/ptw_110.php http://www.hull.ac.uk/php/chsajb/periodictable/ptable_v6.html http://www.vcs.ethz.ch/chemglobe/ptoe/indext.html

  49. Atomic # Symbol Name Atomic Mass Iridium • Element Information • Atomic Number 77 • Atomic Mass 192.21 • Discovery (year) 1804 • Atomic Radius (A) 1.35 • Melting Point (°C) 2457 • Boiling Point (°C) 5427 • Density (g/cm3) 22.5 • Specific Heat (cal/g °C) .031 • Ionization Potential (eV) 1.1 • Electron Affinity (eV) 1.6 77 Ir Iridium 192.21 Source: http://www.chemicalelements.com/elements/uun.html http://www.qivx.com/ispt/elements/ptw_110.php http://www.hull.ac.uk/php/chsajb/periodictable/ptable_v6.html http://www.vcs.ethz.ch/chemglobe/ptoe/indext.html

  50. Atomic # Symbol Name Atomic Mass Platinum • Element Information • Atomic Number 78 • Atomic Mass 195.08 • Discovery (year) 1748 • Atomic Radius (A) 1.39 • Melting Point (°C) 1772 • Boiling Point (°C) 3872 • Density (g/cm3) 21.37 • Specific Heat (cal/g °C) .032 • Ionization Potential (eV) 9 • Electron Affinity (eV) 2.128 78 Pt Platinum 195.08 Source: http://www.chemicalelements.com/elements/uun.html http://www.qivx.com/ispt/elements/ptw_110.php http://www.hull.ac.uk/php/chsajb/periodictable/ptable_v6.html http://www.vcs.ethz.ch/chemglobe/ptoe/indext.html

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