Thanks to: Ken Rohla PERIODIC TABLE Revise~ 1995 ATOM ATOMIC ATOMIC PLACE OF DISCOVERY SYMBOL WEIGHT NUMBER AND DATE Actinium Ac 227 89 France, 1899 A1gobari~ 1w -305 115 Alien Aluminum Al 26.9815 13 Denmark, 1825 Americum Am -243 95 USA, 1945 Antimony Sb 121.75 51 Known to Ancients, Argon Ar 39.948 18 Scotland, 1894 Arsenic As 74.9216 33 Known to Ancients Earth Astatine At 210 85 USA, 1940 Banum Ba 137.34 56 England, 1808 Berkelium Bk -247 97 USA, 1949 Beryllium Be 9.0122 4 Germany/France, 1828 Bismuth Bi 08.9804 83 Known to Ancients, Earth Boridium -317 121 Alien Boron B 10.811 5 FrancelEngland, 1808 Bromine Br ~9.909 35 France, 1826 Cadmium Cd 112.4 48 Germany, 1817 Calcium Ca 40.08 20 England, 1808 Californium Cf -251 98 USA, 1950 Carbon C 12.01115 6 Known to Ancients, Earth Celebium Cb -299 113 Alien Cerium Ce 140.12 58 SwedenlGermany, 1803 Cesium Cs 132.9054 55 Germany, 1860 Chlorine Cl 35 453 17 Sweden, 1774 Chromium Cr 51.996 24 France, 1797 Cobalt Co 58.9332 2~ Sweden, 1737 Colladium Ci 302 114 USA, 1977 Copper Cu 63.546 29 Known to Ancients Earth Corbomite Ct -361 140 Alien Curium Cm -247 96 USA, 1944 Diburnium Db -319 122 Alien Dikironium Dk -300 112 Alien Dilithium Dd -315 119 Alien Dysprosium fly 162.5 66 France, 1886 Einsteinium Es -254 99 USA, 1952 Element 106 ---- -263 106 USAlRussia, 1974 Element 107 ~-- -280 107 USAlltussia, 1977 Element 108 --- -288 108 USA/Germany, 1979 Element 109 --- -296 109 USA/India, 1982 Element 110 -296 110 USA/India, 1983 Erbium Er 167.26 68 Sweden, 1843 Europium Eu 151.96 63 France, 1901 Fermium Fm -257 100 USA, 1953 Fluoride F 18.9984 9 France, 1886 Francium Fr -223 87 France, 1939 Gadolinium Od 157.25 64 Switzerland, 1880 Gallium Ga 69.72 31 France, 1875 Germanium Ge 12.59 32 Germany, 1886 Gold Au 196.967 79 Known to Ancients Earth Hafnium Hf 178.49 72 Denmark, 1923 Hahnium Ha -260 105 USA, 1970 Helium He 4.0026 2 Scotland/Sweden, 1895 Holmium Ho 1649304 67 Switzerland, 1878 Hydrogen H 1.00797 I England, 1766 Indium In 114.82 49 Germany, 1863 Indurite It -322 124 Alien Iodine I 126.9044 53 France, 1811 Iridium Ir 192.22 77 England/France, 1804 Irilium Im -305 116 Alien Iron Fe 55.84? 26 Known to Ancients Earth Kironide Ki -348 139 Alien Kripton Kr 83.8 36 Great Britain, 1898 Kurchatovium Ku -260 104 Russia, 1964 Lanthanum La 138 91 57 Sweden, 1839 Lawrencium Lr -257 103 USA, 1961 Lead Pb 207.19 82 Known to Ancients Earth Lithium Li 6.939 3 Sweden, 1817 Lutetium Lu 174.97 71 France, 1807 Magnesium Mg 24.312 12 England, 1808 Manganese Mn 54.938 25 Sweden, 1774 Mercury Hg 200.59 80 Known to Ancients Earth Molybdenum Mo 95.94 42 Sweden, 1778 Murinite Mu -320 123 Alien Md -258 101 Neodymium Nd 144.24 60 Austria, 1885 Neon Ne 20.183 10 England, 1898 Neptunium Up -237 93 USA, 1940 Nickel M 58.71 28 Sweden, 1751 Niobium Nh 92.906 41 England, 1801 Nitrogen N 14.0067 7 Scotland, 1772 Nobelium No -259 102 Sweden, 1957 Osmium Os 190.2 76 England, 1804 Oxygen 0 15.9994 8 England/Sweden, 1774 Palladium Pd 106.4 46 England, 1803 Pergium Pe -292 111 Alien Phosphorus P 30.9738 15 Germany, 1669 Platinum Pt 195.09 78 Italy, 1557 Plutonium Pu -244 94 USAP 1940 Polonium Po -209 84 France, 1898 Potassium K 39.102 19 England, 1807 Praseodymium Pr 140.9077 59 Austria, 1885 Promethium Pm -145 61 USAP 1945 Protactinium Pa -231 91 Germany/England, 1917 Radium Ra -226 88 France, 1898 Radon an -222 86 Germany, 1900 Rhenium Re 186.207 75 Germany, 1925 Rhodium Rh 102.9055 45 England, 1803 Rodinim Ro -333 125 Alien Rubidium Rb 85.47 37 Germany, 1861 Rubindium Rd -314 120 Alien Ruthenium Ru 101.07 44 Russia, 1844 Samarium Sm 150.35 62 France, 1879 Scandium Sc 44.956 21 Sweden, 1879 Selenium Se 78.96 34 Sweden, 1817 Silicon St 28.086 14 Sweden, 1823 Silver Ag 107.87 47 Known to Ancients, Earth Sodium Na 22.9898 11 England, 1807 Strontium Sr 87.62 38 Scotland, 1790 Sultur S 32.064 16 Known to AncIents, Earth Tantalum Ta 180.948 73 Sweden, 1802 Technetium Tc -97 43 Italy, 1937 Tellurium Te 127.6 52 Romania, 1782 Terbium Tb 158.9254 65 Sweden, 1843 Thallium T1 204.37 81 England, 1861 Thorium Th 232.0381 90 Sweden, 1828 Thulium Tm 168.9342 69 Sweden, 1879 Tin Sn 118.69 50 Known to Ancients,Earth Titanium Ti 47.9 22 England, 1791 Topaline To -306 117 Alien Tn-cobalt Tr 332 129 Alien Tri-Tanium Tn 323 126 Alien Tn-Titanium Tt -328 128 Alien Tri~Uium Tv -328 127 Alien Tungsten w 183.85 74 Spain, 1783 Uranium U 238.029 92 Germany, 1789 Vanadium v 50.942 23 Sweden, 1830 Xenon Xe 131.3 54 England, 1898 Ytterbium Yb 173.04 70 Switzerland, 1878 Yttrium Y 88.9059 39 Finland, 1794 Zienite Zi -318 118 Alien Zinc Zn 65.37 30 Germany, 1746 zirconium Zr 91.22 40 Spain, 1789