Nom | Symbole | N° Atomique |
---|---|---|
Actinium | Ac | 89 |
Aluminium | Al | 13 |
Américium | Am | 95 |
Antimoine | Sb | 51 |
Argent | Ag | 47 |
Argon | Ar | 18 |
Arsenic | As | 33 |
Astate | At | 85 |
Azote | N | 7 |
Baryum | Ba | 56 |
Berkélium | Bk | 97 |
Béryllium | Be | 4 |
Bismuth | Bi | 83 |
Bohrium | Bh | 107 |
Bore | B | 5 |
Brome | Br | 35 |
Cadmium | Cd | 48 |
Calcium | Ca | 20 |
Californium | Cf | 98 |
Carbone | C | 6 |
Cérium | Ce | 58 |
Césium | Cs | 55 |
Chlore | Cl | 17 |
Chrome | Cr | 24 |
Cobalt | Co | 27 |
Copernicium | Cn | 112 |
Cuivre | Cu | 29 |
Curium | Cm | 96 |
Darmstadtium | Ds | 110 |
Dubnium | Db | 105 |
Dysprosium | Dy | 66 |
Einsteinium | Es | 99 |
Erbium | Er | 68 |
Étain | Sn | 50 |
Europium | Eu | 63 |
Fer | Fe | 26 |
Fermium | Fm | 100 |
Flérovium | Fl | 114 |
Fluor | F | 9 |
Francium | Fr | 87 |
Gadolinium | Gd | 64 |
Gallium | Ga | 31 |
Germanium | Ge | 32 |
Hafnium | Hf | 72 |
Hassium | Hs | 108 |
Hélium | He | 2 |
Holmium | Ho | 67 |
Hydrogène | H | 1 |
Indium | In | 49 |
Iode | I | 53 |
Iridium | Ir | 77 |
Krypton | Kr | 36 |
Lanthane | La | 57 |
Lawrencium | Lr | 103 |
Lithium | Li | 3 |
Livermorium | Lv | 116 |
Lutécium | Lu | 71 |
Magnésium | Mg | 12 |
Manganèse | Mn | 25 |
Meitnerium | Mt | 109 |
Mendélévium | Md | 101 |
Mercure | Hg | 80 |
Molybdène | Mo | 42 |
Moscovium | Mc | 115 |
Néodyme | Nd | 60 |
Néon | Ne | 10 |
Neptunium | Np | 93 |
Nickel | Ni | 28 |
Nihonium | Nh | 113 |
Niobium | Nb | 41 |
Nobélium | No | 102 |
Oganesson | Og | 118 |
Or | Au | 79 |
Osmium | Os | 76 |
Oxygène | O | 8 |
Palladium | Pd | 46 |
Phosphore | P | 15 |
Platine | Pt | 78 |
Plomb | Pb | 82 |
Plutonium | Pu | 94 |
Polonium | Po | 84 |
Potassium | K | 19 |
Praséodyme | Pr | 59 |
Prométhium | Pm | 61 |
Protactinium | Pa | 91 |
Radium | Ra | 88 |
Radon | Rn | 86 |
Rhénium | Re | 75 |
Rhodium | Rh | 45 |
Roentgenium | Rg | 111 |
Rubidium | Rb | 37 |
Ruthénium | Ru | 44 |
Rutherfordium | Rf | 104 |
Samarium | Sm | 62 |
Scandium | Sc | 21 |
Seaborgium | Sg | 106 |
Sélénium | Se | 34 |
Silicium | Si | 14 |
Sodium | Na | 11 |
Soufre | S | 16 |
Strontium | Sr | 38 |
Tantale | Ta | 73 |
Technétium | Tc | 43 |
Tellure | Te | 52 |
Tennesse | Ts | 117 |
Terbium | Tb | 65 |
Thallium | Tl | 81 |
Thorium | Th | 90 |
Thulium | Tm | 69 |
Titane | Ti | 22 |
Tungstène | W | 74 |
Uranium | U | 92 |
Vanadium | V | 23 |
Xénon | Xe | 54 |
Ytterbium | Yb | 70 |
Yttrium | Y | 39 |
Zinc | Zn | 30 |
Zirconium | Zr | 40 |
données du tableau mises à jour en 2020
(jusqu'au n° 109 uniquement)
N° Atomique | Nom | Symbole | Masse Atomique arrondie / précise |
|
1 | Hydrogène | H | 1 | 1,00794 |
2 | Hélium | He | 4 | 4,002602 |
3 | Lithium | Li | 7 | 6,941 |
4 | Béryllium | Be | 9 | 9,012182 |
5 | Bore | B | 11 | 10,811 |
6 | Carbone | C | 12 | 12,0107 |
7 | Azote | N | 14 | 14,0067 |
8 | Oxygène | O | 16 | 15,9994 |
9 | Fluor | F | 19 | 18,9984032 |
10 | Néon | Ne | 20 | 20,1797 |
11 | Sodium | Na | 23 | 22,98976928 |
12 | Magnésium | Mg | 24 | 24,305 |
13 | Aluminium | Al | 27 | 26,9815386 |
14 | Silicium | Si | 28 | 28,0855 |
15 | Phosphore | P | 31 | 30,973762 |
16 | Soufre | S | 32 | 32,065 |
17 | Chlore | Cl | 35 | 35,453 |
18 | Argon | Ar | 40 | 39,948 |
19 | Potassium | K | 39 | 39,0983 |
20 | Calcium | Ca | 40 | 40,078 |
21 | Scandium | Sc | 45 | 44,955912 |
22 | Titane | Ti | 48 | 47,867 |
23 | Vanadium | V | 51 | 50,9415 |
24 | Chrome | Cr | 52 | 51,9961 |
25 | Manganèse | Mn | 55 | 54,938045 |
26 | Fer | Fe | 56 | 55,845 |
27 | Cobalt | Co | 59 | 58,933195 |
28 | Nickel | Ni | 59 | 58,6934 |
29 | Cuivre | Cu | 64 | 63,546 |
30 | Zinc | Zn | 65 | 65,38 |
31 | Gallium | Ga | 70 | 69,723 |
32 | Germanium | Ge | 73 | 72,64 |
33 | Arsenic | As | 75 | 74,9216 |
34 | Sélénium | Se | 79 | 78,96 |
35 | Brome | Br | 80 | 79,904 |
36 | Krypton | Kr | 84 | 83,798 |
37 | Rubidium | Rb | 85 | 85,4678 |
38 | Strontium | Sr | 88 | 87,62 |
39 | Yttrium | Y | 89 | 88,90585 |
40 | Zirconium | Zr | 91 | 91,224 |
41 | Niobium | Nb | 93 | 92,90638 |
42 | Molybdène | Mo | 96 | 95,96 |
43 | Technétium | Tc | 99 | 98,9063 |
44 | Ruthénium | Ru | 101 | 101,07 |
45 | Rhodium | Rh | 103 | 102,9055 |
46 | Palladium | Pd | 106 | 106,42 |
47 | Argent | Ag | 108 | 107,8682 |
48 | Cadmium | Cd | 112 | 112,411 |
49 | Indium | In | 115 | 114,818 |
50 | Étain | Sn | 119 | 118,71 |
51 | Antimoine | Sb | 122 | 121,76 |
52 | Tellure | Te | 128 | 127,6 |
53 | Iode | I | 127 | 126,90447 |
54 | Xénon | Xe | 131 | 131,293 |
55 | Césium | Cs | 133 | 132,9054519 |
56 | Baryum | Ba | 137 | 137,327 |
57 | Lanthane | La | 139 | 138,90547 |
58 | Cérium | Ce | 140 | 140,116 |
59 | Praséodyme | Pr | 141 | 140,90765 |
60 | Néodyme | Nd | 144 | 144,242 |
61 | Prométhium | Pm | 147 | 146,9151 |
62 | Samarium | Sm | 150 | 150,36 |
63 | Europium | Eu | 152 | 151,964 |
64 | Gadolinium | Gd | 157 | 157,25 |
65 | Terbium | Tb | 159 | 158,92535 |
66 | Dysprosium | Dy | 163 | 162,5 |
67 | Holmium | Ho | 165 | 164,93032 |
68 | Erbium | Er | 167 | 167,259 |
69 | Thulium | Tm | 169 | 168,93421 |
70 | Ytterbium | Yb | 173 | 173,054 |
71 | Lutécium | Lu | 175 | 174,9668 |
72 | Hafnium | Hf | 178 | 178,49 |
73 | Tantale | Ta | 181 | 180,9479 |
74 | Tungstène | W | 184 | 183,84 |
75 | Rhénium | Re | 186 | 186,207 |
76 | Osmium | Os | 190 | 190,23 |
77 | Iridium | Ir | 192 | 192,217 |
78 | Platine | Pt | 195 | 195,084 |
79 | Or | Au | 197 | 196,966569 |
80 | Mercure | Hg | 201 | 200,59 |
81 | Thallium | Tl | 204 | 204,3833 |
82 | Plomb | Pb | 207 | 207,2 |
83 | Bismuth | Bi | 209 | 208,9804 |
84 | Polonium | Po | 209 | 208,9824 |
85 | Astate | At | 210 | 209,9871 |
86 | Radon | Rn | 222 | 222,0176 |
87 | Francium | Fr | 223 | 223,0197 |
88 | Radium | Ra | 226 | 226,0254 |
89 | Actinium | Ac | 227 | 227,0278 |
90 | Thorium | Th | 232 | 232,03806 |
91 | Protactinium | Pa | 231 | 231,03588 |
92 | Uranium | U | 238 | 238,02891 |
93 | Neptunium | Np | 237 | 237,0482 |
94 | Plutonium | Pu | 244 | 244,0642 |
95 | Américium | Am | 243 | 243,0614 |
96 | Curium | Cm | 247 | 247,0704 |
97 | Berkélium | Bk | 247 | 247,0703 |
98 | Californium | Cf | 251 | 251,0796 |
99 | Einsteinium | Es | 252 | 252,0829 |
100 | Fermium | Fm | 257 | 257,0951 |
101 | Mendélévium | Md | 258 | 258,0986 |
102 | Nobélium | No | 259 | 259,1009 |
103 | Lawrencium | Lr | 264 | 264 |
104 | Rutherfordium | Rf | 265 | 265 |
105 | Dubnium | Db | 268 | 268 |
106 | Seaborgium | Sg | 272 | 272 |
107 | Bohrium | Bh | 273 | 273 |
108 | Hassium | Hs | 276 | 276 |
109 | Meitnerium | Mt | 279 | 279 |
110 | Darmstadtium | Ds | 278 | 278 |
111 | Roentgenium | Rg | 283 | 283 |
112 | Copernicium | Cn | 285 | 285 |
113 | Nihonium | Nh | 287 | 287 |
114 | Flérovium | Fl | 289 | 289 |
115 | Moscovium | Mc | 291 | 291 |
116 | Livermorium | Lv | 293 | 293 |
117 | Tennesse | Ts | 294 | 294 |
118 | Oganesson | Og | 294 | 294 |
données du tableau mises à jour en 2020