OCR Text |
Show TABLE 1 Atomic Atomic Element Symbol Number Weight* Actinium Ac 89 227 Aluminum Al 13 26.98 Antimony Sb 51 121.75 Argon Ar 18 39.95 Arsenic As 33 74.92 Barium Ba 56 137.34 Beryllium Be 4 9.01 Bismuth Bi 83 208.98 Boron B 5 10.81 Bromine Br 35 79.90 Cadmium Cd 48 112.40 Calcium Ca 20 40.08 Carbon C 6 12.01 Cerium Ce 58 140.12 Ces ium Cs 55 132.91 Chlorine CI 17 35.45 Chromium Cr 24 52.00 Cobalt Co 27 58.93 Copper Cu 29 63.55 Dysprosium Dy 66 162.50 Erbium Er 68 167.26 Europium Eu 63 151.96 Fluorine F 9 19.00 Gadolinium Gd 64 157.25 Gallium Ga 31 69.72 Germanium Ge 32 72.59 Gold Au 79 196.97 Hafnium Hf 72 178.49 He1lum He 2 4. oo: Holmium Ho 67 164.93 TABLE OF ELEMENTS Atomic Atomic Element Symbol Number Weight* Hydrogen H 1 1.00? Indium In 49 114.82 Iodine I 53 126.90 I r id ium Ir 77 192.2 Iron Fe 26 55.85 Krypton Kr 36 83.80 Lanthanum La 57 138.91 Lead Pb 82 207.19 L i thium Li 3 6.94 Lutetium Lu 71 174.97 Magnesium Mg 12 24.31 Manganese Mn 25 54.94 Mercury Hg 80 200.59 Molybdenum Mo 42 95.94 Neodymium Nd 60 144.24 Neon Ne 10 20.18 Nickel Ni 28 58.71 Niobium Nb 41 92.91 Nitrogen N 7 14.01 Osmium 0s 76 190.2 Oxygen 0 8 16.00 Palladium Pd 46 106.4 Phosphorus P 15 30.97 Platinum Pt 78 195.09 Polonium Po 84 210 Potassium K 19 39.10 Praseodymium Pr 59 140.91 Protactinium Pa 91 231 Radium Ra 88 226.05 Atomic Atomic Element Symbol Number Weight* Radon Rn 86 222 Rhenium Re 75 186.2 Rhodium Rh 45 102.91 Rub id ium Rb 37 85.47 Ruthenium Ru 44 101.07 S ama r ium Sm 62 150.35 Scandium Sc 21 44.96 Selenium Se 34 78.96 Silicon Si 14 28.09 Silver Ag 47 107.87 Sodium Na 11 22.99 Strontium Sr 38 87.62 Sulfur S 16 32.06 Tantalum Ta 73 180.95 Tellurium Te 52 127.60 Terbium Tb 65 158.92 Thallium Tl 81 204.37 Thorium Th 90 232.04 Thulium Tm 69 168.93 Tin Sn 50 118.69 Titanium Ti 22 47.90 Tungsten W 74 183.85 Uranium U 92 238.03 Vanadium V 23 50.94 Xenon Xe 54 131.30 Ytterbium Yb 70 173.04 Yttrium Y 39 88.91 Zinc Zn 30 65.37 Zirconium Zr 40 91.22 * Source of Atomic Weights: International Union of Pure and Applied Chemistry, Compt. Rend.. XXIII Conf., pp. 177- 178, 1965. Based on atomic mass of C* 2 = 12; rounded to two decimal places. |