Periodic Table of the Elements |
| I - A | VIII - A | ||||||||||||||||
-1,1 1.01 1 H Hydrogen | II - A | III - A | IV - A | V - A | VI - A | VII - A | 4 2 He Helium | ||||||||||
1 6.94 3 Li Lithium | 2 9.01 4 Be Beryllium | 1,2,3 10.81 5 B Boron | -4,-3,-2,-1,1,2,3,4 12.01 6 C Carbon | -3,-2,-1,1,2,3,4,5 14.01 7 N Nitrogen | -2,-1,1,2 16 8 O Oxygen | -1 19 9 F Fluorine | 20.18 10 Ne Neon | ||||||||||
-1,1 22.99 11 Na Sodium | 1,2 24.3 12 Mg Magnesium | III - B | IV - B | V - B | VI - B | VII -B | ↴ | VIII - B | ↴ | I - B | II - B | 1,3 26.98 13 Al Aluminum | -4,-3,-2,-1,1,2,3,4 28.09 14 Si Silicon | -3,-2,-1,1,2,3,4,5 30.97 15 P Phosphorus | -2,-1,1,2,3,4,5,6 32.06 16 S Sulfur | -1,1,2,3,4,5,6,7 35.45 17 Cl Chlorine | 39.95 18 Ar Argon |
1 39.1 19 K Potassium | 2 40.08 20 Ca Calcium | 1,2,3 44.96 21 Sc Scandium | -1,2,3,4 47.87 22 Ti Titanium | -1,2,3,4 50.94 23 V Vanadium | -2,-1,1,2,3,4,5,6 52 24 Cr Chromium | -3,-2,-1,1,2,3,4,5,6,7 54.94 25 Mn Manganese | -2,-1,1,2,3,4,5,6 55.84 26 Fe Iron | -1,1,2,3,4,5 58.93 27 Co Cobalt | -1,1,2,3,4 58.69 28 Ni Nickel | 1,2,3,4 63.55 29 Cu Copper | 2 65.38 30 Zn Zinc | 1,2,3 69.72 31 Ga Gallium | -4,1,2,3,4 72.64 32 Ge Germanium | -3,2,3,5 74.92 33 As Arsenic | -2,2,4,6 78.96 34 Se Selenium | -1,1,3,4,5,7 79.9 35 Br Bromine | 2 83.8 36 Kr Krypton |
1 85.47 37 Rb Rubidium | 2 87.62 38 Sr Strontium | 1,2,3 88.91 39 Y Yttrium | 1,2,3,4 91.22 40 Zr Zirconium | -1,2,3,4,5 92.91 41 Nb Niobium | -2,-1,1,2,3,4,5,6 95.96 42 Mo Molybdenum | -3,-1,1,2,3,4,5,6,7 (98) 43 Tc Technetium | -2,1,2,3,4,5,6,7,8 101.07 44 Ru Ruthenium | -1,1,2,3,4,5,6 102.91 45 Rh Rhodium | 2,4 106.42 46 Pd Palladium | 1,2,3 107.87 47 Ag Silver | 2 112.41 48 Cd Cadmium | 1,2,3 114.82 49 In Indium | -4,2,4 118.71 50 Sn Tin | -3,3,5 121.76 51 Sb Antimony | -2,2,4,5,6 127.6 52 Te Tellurium | -1,1,3,5,7 126.9 53 I Iodine | 2,4,6,8 131.29 54 Xe Xenon |
1 132.91 55 Cs Cesium | 2 137.33 56 Ba Barium | ★ | 2,3,4 178.49 72 Hf Hafnium | -1,2,3,4,5 180.95 73 Ta Tantalum | -2,-1,1,2,3,4,5,6 183.84 74 W Tungsten | -3,-1,1,2,3,4,5,6,7 186.21 75 Re Rhenium | -2,-1,1,2,3,4,5,6,7,8 190.23 76 Os Osmium | -3,-1,1,2,3,4,5,6 192.22 77 Ir Iridium | 2,4,5,6 195.08 78 Pt Platinum | -1,1,2,3,5 196.97 79 Au Gold | 1,2,4 200.59 80 Hg Mercury | 1,3 204.38 81 Tl Thallium | -4,2,4 207.2 82 Pb Lead | -3,3,5 208.98 83 Bi Bismuth | -2,2,4,6 (209) 84 Po Polonium | -1,1,3,5 (210) 85 At Astatine | 2 (222) 86 Rn Radon |
1 (223) 87 Fr Francium | 2 (226) 88 Ra Radium | ★ ★ | 4 (267) 104 Rf Rutherfordium | (268) 105 Db Dubnium | (271) 106 Sg Seaborgium | (272) 107 Bh Bohrium | (270) 108 Hs Hassium | (276) 109 Mt Meitnerium | (281) 110 Ds Darmstadtium | (280) 111 Rg Roentgenium | (285) 112 Cn Copernicium | (284) 113 Nh Nihonium | (289) 114 Fl Flerovium | (288) 115 Mc Moscovium | (293) 116 Lv Livermorium | (294) 117 Ts Tennessine | (294) 118 Og Oganesson |
| ★ | 2,3 138.91 57 La Lanthanum | 2,3,4 140.12 58 Ce Cerium | 2,3,4 140.91 59 Pr Praseodymium | 2,3 144.24 60 Nd Neodymium | 3 (145) 61 Pm Promethium | 2,3 150.36 62 Sm Samarium | 2,3 151.96 63 Eu Europium | 1,2,3 157.25 64 Gd Gadolinium | 1,3,4 158.93 65 Tb Terbium | 2,3 162.5 66 Dy Dysprosium | 3 164.93 67 Ho Holmium | 3 167.26 68 Er Erbium | 2,3 168.93 69 Tm Thulium | 2,3 173.05 70 Yb Ytterbium | 3 174.97 71 Lu Lutetium | ||
| ★ ★ | 3 (227) 89 Ac Actinium | 2,3,4 232.04 90 Th Thorium | 3,4,5 231.04 91 Pa Protactinium | 3,4,5,6 238.03 92 U Uranium | 3,4,5,6,7 (237) 93 Np Neptunium | 3,4,5,6,7 (244) 94 Pu Plutonium | 2,3,4,5,6 (243) 95 Am Americium | 3,4 (247) 96 Cm Curium | 3,4 (247) 97 Bk Berkelium | 2,3,4 (251) 98 Bf Californium | 2,3 (252) 99 Es Einsteinium | 2,3 (257) 100 Fm Fermium | 2,3 (258) 101 Md Mendelevium | 2,3 (259) 102 No Nobelium | 3 (262) 103 Lr Lawrencium |