Hydrogène1,00794
Hélium4,002602
Lithium6,941
Béryllium9,012182
Bore10,811
Carbone12,011
Azote14,00674
Oxygène15,9994
Fluor18,9984032
Néon20,1797
Sodium22,98768
Magnésium24,3050
Aluminium26,981539
Silicium28,0855
Phosphore30,973762
Soufre32,066
Chlore35,4527
Potassium39,0983
Argon39,948
Calcium40,078
Scandium44,955910
Titane47,88
Vanadium50,9415
Chrome51,9961
Manganèse54,93805
Fer55,847
Nickel58,69
Cobalt58,93320
Cuivre63,546
Zinc65,39
Gallium69,723
Germanium72,61
Arsenic74,92159
Sélénium78,96
Brome79,904
Krypton83,8
Rubidium85,4678
Strontium87,62
Yttrium88,90585
Zirconium91,244
Niobium92,90638
Molybdène95,94
Technétium98,9063
Ruthénium101,07
Rhodium102,90550
Palladium106,42
Argent107,8682
Cadmium112,411
Indium114,82
Étain118,710
Antimoine121,75
Iode126,90447
Tellure127,60
Xénon131,29
Césium132,90543
Baryum137,327
Lanthane138,9055
Cérium140,115
Praséodyme140,90765
Néodyme144,24
Prométhium146,9151
Samarium150,36
Europium151,965
Gadolinium157,25
Terbium158,92534
Dysprosium162,50
Holmium164,93032
Erbium167,26
Thulium168,93421
Ytterbium173,04
Lutécium174,967
Hafnium178,49
Tantale180,9479
Tungstène183,85
Rhénium186,207
Osmium190,2
Iridium192,22
Platine195,08
Or196,96654
Mercure200,59
Thallium204,3833
Plomb207,2
Bismuth208,98037
Polonium208,9824
Astate209,9871
Radon222,0176
Francium223,019
Radium226,0254
Actinium227,0278
Protactinium231,0359
Thorium232,0381
Neptunium237,0482
Uranium238,0289
Américium243,0614
Plutonium244,0642
Berkélium247,0703
Curium247,0704
Californium251,0796
Einsteinium252,0829
Fermium257,0951
Mendélévium258,0986
Nobélium259,1009
Lawrencium260,1053
Rutherfordium261,1087
Dubnium262,1138
Bohrium262,1229
Seaborgium263,9182
Hassium265
Meitnerium266
Darmstadtium281
Roentgenium281
Copernicium285
Ununtrium286
Flerovium289
Ununpentium289
Livermorium293
Ununseptium294
Ununoctium294