Liste de masse atomique

Élément atomique Abréviation N° atomique

Masse atomique

Actinium Ac 89 227,0278

Aluminum Al 13 26,981539(5)

Americium Am 95 [243]

Antimoine Sb 51 121,73(3)

Argent Ag 47 39,948(1)

Arsenic As 33 74,92159(2)

Astate At 85 [210]

Azote N 7 14,00674(7)

Baryum Ba 56 137.,327(7)

Berkelium Bk 97 [247]

Berryllium Be 4 9,012182(3)

Bismuth Bi 83 208,98037(3)

Bore B 5 10,811(5)

Brome Br 35 79,904(1)

Cadmium Cd 48 112,411(8)

Calcium Ca 20 40,078(4)

Californium Cf 98 -

Carbone C 6 12,011(1)

Cerium Ce 58 140,115(4)

Césium Cs 55 132,90543(5)

Chlore Cl 17 35,4527(9)

Chrome Cr 24 51,9961(6)

Cobalt Co 27 58,93320(1)

Cuivre Cu 29 63,546(3)

Curium Cm 96 [247]

Dysprosium Dy 66 162,50(3)

Einsteinium Es 99 [252]

Erbium Er 68 167,26(3)

Etain Sn 50 118,710(7)

Fer Fe 26 55,847(3)

Fermium Fm 100 [257]

Fluor F 9 18,9984032(9)

Francium Fr 87 [223]

Gadolinium Gd 64 157,25(3)

Gallium Ga 31 69,723(1)

Germanium Ge 32 72,61(2)

Hafnium Hf 72 178,49(2)

Holmium Ho 67 164,93032(3)

Hydrogène H 1 1,00794(7)

Indium In 49 114,82(1)

Iode I 53 126,90447(3)

Iridium Ir 77 192,22(3)

Krypton Kr 36 83,80(1)

Lanthane La 57 138,9055(2)

Lawrencium Lr 103 [262]

Lithium Li 3 6,941(2)

Lutetium Lu 71 174,967(1)

Magnésium Mg 12 24,3050(6)

Manganèse Mn 25 54,93805(1)

Mendelevium Md 101 [258]

Mercure Hg 80 200,59(3)

Molybdène Mo 42 95,94(1)

Neodym Nd 60 114,24(3)

Neptunium Np 93 237,0482

Nickel Ni 28 58,69(1)

Niobium

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