Symbol Name Atomic Number Ac Actium 89 Ag Silver 47 Al Aluminum 13 Am Americium 95 Ar Argon 18 As Arsenic 33 At Astatine 85 Au Gold 79 B Boron 5 Ba Barium 56 Be Beryllium 4 Bi Bismuth 83 Bk Berkelium 97 Br Bromine 35 C Carbon 6 Ca Calcium 20 Cd Cadmium 48 Ce Cerium 58 Cf Californium 98 Cl Chlorine 17 Cm Curium 96 Co Cobalt 27 Cr Chromium 24 Cs Cesium 55 Cu Copper 29 Dy Dysprosium 66 Er Erbium 68 Es Einsteinium 99 Eu Europium 99 Eu Europium 6 F Fluorine 9 Fe Iron 26 Fm Fermium 100 Fr Francium 87 Ga Gallium 31 Gd Gadolinium 64 Ge Germanium 32 H Hydrogen 1 He Helium 2 Hf Hafnium 72 Hg Mercury 80 Ho Holmium 67 I Iodine 53 In Indium 49 Ir Iridium 77 K Potassium 19 Kr Krypton 36 La Lanthanum 57 Li Lithium 3 Lu Lutetium 71 Lw Lawrencium 103

Symbol Name Atomic Number Md Mendelevium 101 Mg Magnesium 12 Mn Manganese 25 Mo Molybdenum 42 N Nitrogen 7 Na Sodium 11 Nb Niobium 41 Nd Neodymium 60 Ne Neon 10 Ni Nickel 28 No Nobelium 102 Np Neptunium 93 O Oxygen 8 Os Osmium 76 P Phosphorus 15 Pa Protactinium 91 Pb Lead 82 Pd Palladium 46 Pm Promethium 61 Po Polonium 84 Pr Praseodymium 59 Pt Platinum 78 Pu Plutonium 94 Ra Radium 88 Rb Rubidium 37 Re Rhenium 75 Rh Rhodium 45 Rn Radon 86 Ru Ruthenium 44 S Sulfur 16 Sb Antimony 51 Sc Scandium 21 Se Selenium 34 Si Silicon 14 Sm Samarium 62 Sn Tin 50 Sr Strontium 38 Ta Tantalum 73 Tb Terbium 65 Tc Technetium 43 Te Tellurium 52 Th Thorium 90 Ti Titanium 22 Tl Thallium 81 Tu Thulium 69 U Uranium 92 V Vanadium 23 W Tungsten 74 Xe Xenon 54 Y Yttrium 39 Yb Ytterbium 70 Zn Zinc 30 Zr Zirconium 40