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