1H:1:1.008:Hydrogen 2He:2:4.003:Helium 3Li:3:6.94:Lithium 4Be:4:9.013:Beryllium 5B:5:10.82:Boron 6C:6:12.011:Carbon 7N:7:14.008:Nitrogen 8O:8:16.0:Oxygen 9F:9:19.0:Fluorine 10Ne:10:20.183:Neon 11Na:11:22.991:Sodium 12Mg:12:24.32:Magnesium 13Al:13:26.98:Aluminum 14Si:14:28.09:Silicon 15P:15:30.975:Phosphorus 16S:16:32.066:Sul[ph|f]ur 17Cl:17:35.457:Chlorine 18Ar:18:39.944:Argon 19K:19:39.1:Potassium 20Ca:20:40.08:Calcium 21Sc:21:44.96:Scandium 22Ti:22:47.9:Titanium 23V:23:50.95:Vanadium 24Cr:24:52.01:Chromium 25Mn:25:54.94:Manganese 26Fe:26:55.85:Iron 27Co:27:58.94:Cobalt 28Ni:28:58.71:Nickel 29Cu:29:63.54:Copper 30Zn:30:65.38:Zinc 31Ga:31:69.72:Gallium 32Ge:32:72.6:Germanium 33As:33:74.91:Arsenic 34Se:34:78.96:Selenium 35Br:35:79.916:Bromine 36Kr:36:83.8:Krypton 37Rb:37:85.48:Rubidium 38Sr:38:87.63:Strontium 39Y:39:88.92:Yttrium 40Zr:40:91.22:Zirconium 41Nb:41:92.91:Niobium 42Mo:42:95.95:Molybdenum 43Tc:43:(99):Technetium 44Ru:44:101.1:Ruthenium 45Rh:45:102.91:Rhodium 46Pd:46:106.4:Palladium 47Ag:47:107.88:Silver 48Cd:48:112.41:Cadmium 49In:49:114.82:Indium 50Sn:50:118.7:Tin 51Sb:51:121.76:Antimony 52Te:52:127.61:Tellurium 53I:53:126.91:Iodine 54Xe:54:131.3:Xenon 55Cs:55:132.91:Cesium 56Ba:56:137.36:Barium 57La:57:138.92:Lanthanum 58Ce:58:140.13:Cerium 59Pr:59:140.92:Praseodymium 60Nd:60:144.27:Neodymium 61Pm:61:(145):Promethium 62Sm:62:150.35:Samarium 63Eu:63:152.0:Europium 64Gd:64:157.26:Gadolinium 65Tb:65:158.93:Terbium 66Dy:66:162.51:Dysprosium 67Ho:67:164.94:Holmium 68Er:68:167.27:Erbium 69Tm:69:168.94:Thulium 70Yb:70:173.04:Ytterbium 71Lu:71:174.99:Lutetium 72Hf:72:178.5:Hafnium 73Ta:73:180.95:Tantalum 74W:74:183.86:Tungsten 75Re:75:186.22:Rhenium 76Os:76:190.2:Osmium 77Ir:77:192.2:Iridium 78Pt:78:195.09:Platinum 79Au:79:197.0:Gold 80Hg:80:200.61:Mercury 81Tl:81:204.39:Thallium 82Pb:82:207.21:Lead 83Bi:83:209.0:Bismuth 84Po:84:(210):Polonium 85At:85:(210):Astatine 86Rn:86:(222):Radon 87Fr:87:(223):Francium 88Ra:88:(226):Radium 89Ac:89:(227):Actinium 90Th:90:232.05:Thorium 91Pa:91:(231):Protactinium 92U:92:238.07:Uranium 93Np:93:(237):Neptunium 94Pu:94:(242):Plutonium 95Am:95:(243):Americium 96Cm:96:(248):Curium 97Bk:97:(247):Berkelium 98Cf:98:(249):Californium 99Es:99:(254):Einsteinium 100Fm:100:(253):Fermium 101Md:101:(256):Mendelevium 102No:102:(253):Nobelium 103Lw:103:(259):Lawrencium 104