Waterstof1,00794
Helium4,002602
Lithium6,941
Beryllium9,012182
Boor10,811
Koolstof12,011
Stikstof14,00674
Zuurstof15,9994
Fluor18,9984032
Neon20,1797
Natrium22,98768
Magnesium24,3050
Aluminium26,981539
Silicium28,0855
Fosfor30,973762
Zwavel32,066
Chloor35,4527
Kalium39,0983
Argon39,948
Calcium40,078
Scandium44,955910
Titanium47,88
Vanadium50,9415
Chroom51,9961
Mangaan54,93805
IJzer55,847
Nikkel58,69
Kobalt58,93320
Koper63,546
Zink65,39
Gallium69,723
Germanium72,61
Arseen74,92159
Seleen78,96
Broom79,904
Krypton83,8
Rubidium85,4678
Strontium87,62
Yttrium88,90585
Zirkonium91,244
Niobium92,90638
Molybdeen95,94
Technetium98,9063
Ruthenium101,07
Rhodium102,90550
Palladium106,42
Zilver107,8682
Cadmium112,411
Indium114,82
Tin118,710
Antimoon121,75
Jodium126,90447
Telluur127,60
Xenon131,29
Cesium132,90543
Barium137,327
Lanthaan138,9055
Cerium140,115
Praseodymium140,90765
Neodymium144,24
Promethium146,9151
Samarium150,36
Europium151,965
Gadolinium157,25
Terbium158,92534
Dysprosium162,50
Holmium164,93032
Erbium167,26
Thulium168,93421
Ytterbium173,04
Lutetium174,967
Hafnium178,49
Tantaal180,9479
Wolfraam183,85
Renium186,207
Osmium190,2
Iridium192,22
Platina195,08
Goud196,96654
Kwik200,59
Thallium204,3833
Lood207,2
Bismut208,98037
Polonium208,9824
Astaat209,9871
Radon222,0176
Francium223,019
Radium226,0254
Actinium227,0278
Protactinium231,0359
Thorium232,0381
Neptunium237,0482
Uranium238,0289
Americium243,0614
Plutonium244,0642
Berkelium247,0703
Curium247,0704
Californium251,0796
Einsteinium252,0829
Fermium257,0951
Mendelevium258,0986
Nobelium259,1009
Lawrencium260,1053
Rutherfordium261,1087
Dubnium262,1138
Bohrium262,1229
Seaborgium263,9182
Hassium265
Meitnerium266
Darmstadtium281
Röntgenium281
Copernicium285
Ununtrium286
Flerovium289
Ununpentium289
Livermorium293
Ununseptium294
Ununoctium294