Tous les éléments

3 Li Lithium 6,941 11 Na Sodium 22,99 19 K Potassium 39,098 37 Rb Rubidium 85,468 55 Cs Cesium 132,91 87 Fr Francium 223,0

4 Be Beryllium 9,0122 12 Mg Magnesium 24,305 20 Ca Calcium 40,078 38 Sr Strontium 87,62 56 Ba Barium 137,33 88 Ra Radium 226,0

21 Sc Scandium 44,956 22 Ti Titanium 47,867 23 V Vanadium 50,942 24 Cr Chromium 51,996 25 Mn Manganese 54,938 26 Fe Iron 55,845 27 Co Cobalt 58,933 28 Ni Nickel 58,693 29 Cu Copper 63,546 30 Zn Zinc 65,38 39 Y Yttrium 88,906 40 Zr Zirconium 91,224 41 Nb Niobium 92,906 42 Mo Molybdenum 95,95 43 Tc Technetium 97,0 44 Ru Ruthenium 101,07 45 Rh Rhodium 102,91 46 Pd Palladium 106,42 47 Ag Silver 107,87 48 Cd Cadmium 112,41 72 Hf Hafnium 178,49 73 Ta Tantalum 180,95 74 W Tungsten 183,84 75 Re Rhenium 186,21 76 Os Osmium 190,23 77 Ir Iridium 192,22 78 Pt Platinum 195,08 79 Au Gold 196,97 80 Hg Mercury 200,59 104 Rf Rutherfordium 267,0 105 Db Dubnium 268,0 106 Sg Seaborgium 269,0 107 Bh Bohrium 270,0 108 Hs Hassium 277,0

13 Al Aluminum 26,982 31 Ga Gallium 69,723 49 In Indium 114,82 50 Sn Tin 118,71 81 Tl Thallium 204,38 82 Pb Lead 207,2 83 Bi Bismuth 208,98 84 Po Polonium 209,0

5 B Boron 10,81 14 Si Silicon 28,085 32 Ge Germanium 72,63 33 As Arsenic 74,922 51 Sb Antimony 121,76 52 Te Tellurium 127,6

1 H Hydrogen 1,008 6 C Carbon 12,011 7 N Nitrogen 14,007 8 O Oxygen 15,999 15 P Phosphorus 30,974 16 S Sulfur 32,06 34 Se Selenium 78,971

9 F Fluorine 18,998 17 Cl Chlorine 35,45 35 Br Bromine 79,904 53 I Iodine 126,9 85 At Astatine 210,0

2 He Helium 4,0026 10 Ne Neon 20,18 18 Ar Argon 39,948 36 Kr Krypton 83,798 54 Xe Xenon 131,29 86 Rn Radon 222,0

57 La Lanthanum 138,91 58 Ce Cerium 140,12 59 Pr Praseodymium 140,91 60 Nd Neodymium 144,24 61 Pm Promethium 145,0 62 Sm Samarium 150,36 63 Eu Europium 151,96 64 Gd Gadolinium 157,25 65 Tb Terbium 158,93 66 Dy Dysprosium 162,5 67 Ho Holmium 164,93 68 Er Erbium 167,26 69 Tm Thulium 168,93 70 Yb Ytterbium 173,05 71 Lu Lutetium 174,97

89 Ac Actinium 227,0 90 Th Thorium 232,04 91 Pa Protactinium 231,04 92 U Uranium 238,03 93 Np Neptunium 237,0 94 Pu Plutonium 244,0 95 Am Americium 243,0 96 Cm Curium 247,0 97 Bk Berkelium 247,0 98 Cf Californium 251,0 99 Es Einsteinium 252,0 100 Fm Fermium 257,0 101 Md Mendelevium 258,0 102 No Nobelium 259,0 103 Lr Lawrencium 266,0

109 Mt Meitnerium 278,0 110 Ds Darmstadtium 281,0 111 Rg Roentgenium 282,0 112 Cn Copernicium 285,0 113 Nh Nihonium 286,0 114 Fl Flerovium 289,0 115 Mc Moscovium 290,0 116 Lv Livermorium 293,0 117 Ts Tennessine 294,0 118 Og Oganesson 294,0