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Group Period | Group 1 | Group 2 | Group 3 | Group 4 | Group 5 | Group 6 | Group 7 | Group 8 | Group 9 | Group 10 | Group 11 | Group 12 | Group 13 | Group 14 | Group 15 | Group 16 | Group 17 | Group 18 |
Period 1 | 1 Hydrogen | Please | Wait | 2 Helium | ||||||||||||||
Period 2 | 3 Lithium | 4 Berylium | 5 Boron | 6 Carbon | 7 Nitrogen | 8 Oxygen | 9 Fluorine | 10 Neon | ||||||||||
Period 3 | 11 Sodium | 12 Magnesium | 13 Aluminium | 14 Silicon | 15 Phosphorus | 16 Sulphur | 17 Chlorine | 18 Argon | ||||||||||
Period 4 | 19 Potassium | 20 Calcium | 21 Scandium | 22 Titanium | 23 Vanadium | 24 Chromium | 25 Manganese | 26 Iron | 27 Cobalt | 28 Nickel | 29 Copper | 30 Zinc | 31 Gallium | 32 Germanium | 33 Arsenic | 34 Selenium | 35 Bromine | 36 Krypton |
Period 5 | 37 Rubidium | 38 Strontium | 39 Ytterium | 40 Zirconium | 41 Niobium | 42 Molybdenum | 43 Technetium | 44 Ruthenium | 45 Rhodium | 46 Palladium | 47 Silver | 48 Cadmium | 49 Indium | 50 Tin | 51 Antimony | 52 Tellurium | 53 Iodine | 54 Xenon |
Period 6 | 55 Cesium | 56 Barium | 57* Lanthanum | 72 Hafnium | 73 Tantalum | 74 Tungsten | 75 Rhenium | 76 Osmium | 77 Iridium | 78 Platinum | 79 Gold | 80 Mercury | 81 Thallium | 82 Lead | 83 Bismuth | 84 Polonium | 85 Astatine | 86 Radon |
Period 7 | 87 Francium | 88 Radium | 89** Actinum | 104 Rutherfordium | 105 Dubnium | 106 Seaborgium | 107 Bohrium | 108 Hassnium | 109 Meitnerium | 110 Darmstadtium | 111 Roentgenium | 112 Copernicium | 113 Nihonium | 114 Flerovium | 115 Moscovium | 116 Livermorium | 117 Tennessine | 118 Oganesson |