Hydrogen H 1 Helium He 2 Lithium Li 3 Beryllium Be 4 Boron B 5 Carbon C 6 Nitrogen N 7 Oxygen O 8 Fluorine F 9 Neon Ne 10 Sodium Na 11 Magnesium Mg 12 Aluminium (aluminum) Al 13 Silicon Si 14 Phosphorus P 15 Sulfur (Sulphur) S 16 Chlorine Cl 17 Argon Ar 18 Potassium K 19 Calcium Ca 20 Scandium Sc 21 Titanium Ti 22 Vanadium V 23 Chromium Cr 24 Manganese Mn 25 Iron Fe 26 Cobalt Co 27 Nickel Ni 28 Copper Cu 29 Zinc Zn 30 Gallium Ga 31 Germanium Ge 32 Arsenic As 33 Selenium Se 34 Bromine Br 35 Krypton Kr 36 Rubidium Rb 37 Strontium Sr 38 Yttrium Y 39 Zirconium Zr 40 Niobium Nb 41 Molybdenum Mo 42 Technetium Tc 43 Ruthenium Ru 44 Rhodium Rh 45 Palladium Pd 46 Silver Ag 47 Cadmium Cd 48 Indium In 49 Tin Sn 50 Antimony Sb 51 Tellurium Te 52 Iodine I 53 Xenon Xe 54 Caesium (Cesium) Cs 55 Barium Ba 56 Lanthanum La 57 Cerium Ce 58 Praseodymium Pr 59 Neodymium Nd 60 Promethium Pm 61 Samarium Sm 62 Europium Eu 63 Gadolinium Gd 64 Terbium Tb 65 Dysprosium Dy 66 Holmium Ho 67 Erbium Er 68 Thulium Tm 69 Ytterbium Yb 70 Lutetium Lu 71 Hafnium Hf 72 Tantalum Ta 73 Tungsten W 74 Rhenium Re 75 Osmium Os 76 Iridium Ir 77 Platinum Pt 78 Gold Au 79 Mercury Hg 80 Thallium Tl 81 Lead Pb 82 Bismuth Bi 83 Polonium Po 84 Astatine At 85 Radon Rn 86 Francium Fr 87 Radium Ra 88 Actinium Ac 89 Thorium Th 90 Protactinium Pa 91 Uranium U 92 Neptunium Np 93 Plutonium Pu 94 Americium Am 95 Curium Cm 96 Berkelium Bk 97 Californium Cf 98 Einsteinium Es 99 Fermium Fm 100 Mendelevium Md 101 Nobelium No 102 Lawrencium Lr 103 Rutherfordium Rf 104 Dubnium Db 105 Seaborgium Sg 106 Bohrium Bh 107 Hassium Hs 108 Meitnerium Mt 109 Darmstadtium Ds 110 Roentgenium Rg 111 Copernicium Cp 112 Ununtrium Uut 113 Ununquadium Uuq 114 Ununpentium Uup 115 Ununhexium Uuh 116 Ununseptium Uus 117 Ununoctium Uuo 118 Ununenium Uun 119 Unbinilum Ubn 120 Unbiunium Ubu 121