Idrogeno1,00794
Elio4,002602
Litio6,941
Berillio9,012182
Boro10,811
Carbonio12,011
Azoto14,00674
Ossigeno15,9994
Fluoro18,9984032
Neon20,1797
Sodio22,98768
Magnesio24,3050
Alluminio26,981539
Silicio28,0855
Fosforo30,973762
Zolfo32,066
Cloro35,4527
Potassio39,0983
Argon39,948
Calcio40,078
Scandio44,955910
Titanio47,88
Vanadio50,9415
Cromo51,9961
Manganese54,93805
Ferro55,847
Nichel58,69
Cobalto58,93320
Rame63,546
Zinco65,39
Gallio69,723
Germanio72,61
Arsenico74,92159
Selenio78,96
Bromo79,904
Kripton83,8
Rubidio85,4678
Stronzio87,62
Ittrio88,90585
Zirconio91,244
Niobio92,90638
Molibdeno95,94
Tecnezio98,9063
Rutenio101,07
Rodio102,90550
Palladio106,42
Argento107,8682
Cadmio112,411
Indio114,82
Stagno118,710
Antimonio121,75
Iodio126,90447
Tellurio127,60
Xeno131,29
Cesio132,90543
Bario137,327
Lantanio138,9055
Cerio140,115
Praseodimio140,90765
Neodimio144,24
Promezio146,9151
Samario150,36
Europio151,965
Gadolinio157,25
Terbio158,92534
Disprosio162,50
Olmio164,93032
Erbio167,26
Tulio168,93421
Itterbio173,04
Lutezio174,967
Afnio178,49
Tantalio180,9479
Tungsteno183,85
Renio186,207
Osmio190,2
Iridio192,22
Platino195,08
Oro196,96654
Mercurio200,59
Tallio204,3833
Piombo207,2
Bismuto208,98037
Polonio208,9824
Astato209,9871
Radon222,0176
Francio223,019
Radio226,0254
Attinio227,0278
Protoattinio231,0359
Torio232,0381
Nettunio237,0482
Uranio238,0289
Americio243,0614
Plutonio244,0642
Berkelio247,0703
Curio247,0704
Californio251,0796
Einsteinio252,0829
Fermio257,0951
Mendelevio258,0986
Nobelio259,1009
Laurenzio260,1053
Rutherfordio261,1087
Dubnio262,1138
Bohrio262,1229
Seaborgio263,9182
Hassio265
Meitnerio266
Darmstadtio281
Roentgenio281
Copernicio285
Nihonium286
Flerovio289
Moscovium289
Livermorio293
Tennessine294
Oganesson294