Periodic Table

1 H Hydrogen 1.008 2 He Helium 4.003 3 Li Lithium 6.941 4 Be Beryllium 9.012 5 B Boron 10.811 6 C Carbon 12.011 7 N Nitrogen 14.007 8 O Oxygen 15.999 9 F Fluorine 18.998 10 Ne Neon 20.18 11 Na Sodium 22.99 12 Mg Magnesium 24.305 13 Al Aluminium 26.982 14 Si Silicon 28.086 15 P Phosphorus 30.974 16 S Sulfur 32.065 17 Cl Chlorine 35.453 18 Ar Argon 39.948 19 K Potassium 39.098 20 Ca Calcium 40.078 26 Fe Iron 55.845 29 Cu Copper 63.546 30 Zn Zinc 65.38 35 Br Bromine 79.904 47 Ag Silver 107.868 53 I Iodine 126.904 78 Pt Platinum 195.084 79 Au Gold 196.967 80 Hg Mercury 200.592 82 Pb Lead 207.2 86 Rn Radon 222 88 Ra Radium 226 92 U Uranium 238.029 94 Pu Plutonium 244