PERIODIC TABLE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 S Block 1 1 Atomic Number H 2 Li Lithium 3 11 22.990 19 39.098 K 37 85.468 Rb 55 132.91 Cs Caesium 7 Be 87 Fr H 2 5 Hydrogen Element Name 12 223 Francium 40.078 Ca Calcium 38 87.620 Sr Strontium 56 B 13 D Block 21 44.956 Sc 22 Scandium 39 88.906 Y 40 Yttrium 57 - 71 Zr Cr 92.906 42 73 95.950 Hf Molybdenum 180.95 Ta 74 Tantalum 105 261 183.84 W Tungsten 262 Rutherfordium 6 Dubnium 138.91 La Hydrogen 89 7 227 Ac Actinium 58 Ce Cerium 90 232.04 Th Thorium 43 98 Tc Technetium 75 186.21 Re 264 Bohrium 140.91 Praseodymium 231.04 Pa Protactinium 60 26 27 55.845 Fe Iron 44 Cobalt 45 101.07 Ru 77 Os 108 C 14 Al Hs 61 145 62 92 238.03 U Uranium Promethium 93 237.05 Np Neptunium Pt 150.36 244 63 111 Si 112 Europium 243 64 Gd Gadolinium 96 247 65 Terbium 247 Pu Am Cm Bk Plutonium Americium Curium Lead 114 286 Nihonium 158.93 Berkelium 66 Fl 162.5 Dysprosium 251 Cf Californium 116 Holmium 252 Es Einsteinium 68 Livermorium Er Erbium 100 117 293 69 Tm Thulium 257 101 Xenon 86 210 Radon 118 Ts 70 Oganesson 173.04 Yb 102 259 Fm Md No Fermium Actinoid Mendelevium 294 Og Ytterbium 258 222 Rn Tennessine 168.93 131.29 Xe Astatine Lv 167.26 54 At Polonium 289 Krypton 126.90 85 209 83.798 Kr Iodine Po Moscovium Ho Post-transition metals Bi Mc 164.93 99 84 208.98 115 289 67 Tellurium Bismuth Flerovium Dy 98 83 207.20 Br I Ar 36 79.904 53 127.60 39.948 Argon Bromine Te Antimony Pb Nh Tb 97 Tl 52 18 Cl Selenium 121.76 Neon 35.453 35 78.960 20.180 Ne Chlorine Se Sb Tin 82 S 34 74.922 51 118.71 17 Sulfur Arsenic Sn 204.38 113 285 Copernicium 157.25 In Thallium Cn Roentgenium 151.96 81 200.59 Mercury 282 P 33 F Fluorine 32.065 Phosphorus 72.640 50 114.82 O 16 30.974 Germanium Indium Hg Rg Eu 95 80 Gold 281 49 112.41 Cadmium 196.97 15 28.086 32 Gallium Cd Au Darmstadtium Samarium 94 79 Ds Meitnerium 48 107.87 Silver 195.08 110 278 Nd Pm Sm Neodymium He 10 18.998 Oxygen Ga Ge As Zinc Ag Platinum Mt Hassium 144.24 78 Ir 109 47 106.42 N 9 15.999 Nitrogen Silicon 69.723 8 14.007 Carbon 26.982 31 65.380 Zn Copper Palladium 192.22 30 63.546 Cu Pd Iridium 269 Ni 46 102.91 Rhodium 190.23 29 58.693 Nickel Rh Ruthenium 76 28 58.933 Co Osmium Bh Pr 91 Mn 107 Seaborgium 59 54.938 Rhenium 106 140.12 25 Manganese Rf Db Sg 89 - 103 Radium Actinide Series 51.996 Chromium Niobium 178.49 57 F Block 24 Nb Mo Hafnium Lanthanide Series V 41 91.224 104 50.942 Vanadium Zirconium 72 226 Ra Ti Titanium Barium 88 23 47.867 7 12.011 Aluminium 137.33 Ba 6 10.811 Boron 24.305 20 4.0026 Helium Magnesium Rubidium 6 9.0122 Na Mg Potassium 5 14 18 Atomic Mass 1.0078 Beryllium Sodium 4 1 Element Symbol Hydrogen 6.9410 17 P Block 1.0078 3 16 Nobelium Transition metals Alkaline-earth metals Nonmetals Noble gas Alkali metals Metalloids Rare earth elements (21, 39, 57-71) and lanthanoid elements (57-71 only) 71 174.97 Lu Lutetium 103 Lr 262 Lawrencium