| Idrogeno | 1,00794 |
| Elio | 4,002602 |
| Litio | 6,941 |
| Berillio | 9,012182 |
| Boro | 10,811 |
| Carbonio | 12,011 |
| Azoto | 14,00674 |
| Ossigeno | 15,9994 |
| Fluoro | 18,9984032 |
| Neon | 20,1797 |
| Sodio | 22,98768 |
| Magnesio | 24,3050 |
| Alluminio | 26,981539 |
| Silicio | 28,0855 |
| Fosforo | 30,973762 |
| Zolfo | 32,066 |
| Cloro | 35,4527 |
| Potassio | 39,0983 |
| Argon | 39,948 |
| Calcio | 40,078 |
| Scandio | 44,955910 |
| Titanio | 47,88 |
| Vanadio | 50,9415 |
| Cromo | 51,9961 |
| Manganese | 54,93805 |
| Ferro | 55,847 |
| Nichel | 58,69 |
| Cobalto | 58,93320 |
| Rame | 63,546 |
| Zinco | 65,39 |
| Gallio | 69,723 |
| Germanio | 72,61 |
| Arsenico | 74,92159 |
| Selenio | 78,96 |
| Bromo | 79,904 |
| Kripton | 83,8 |
| Rubidio | 85,4678 |
| Stronzio | 87,62 |
| Ittrio | 88,90585 |
| Zirconio | 91,244 |
| Niobio | 92,90638 |
| Molibdeno | 95,94 |
| Tecnezio | 98,9063 |
| Rutenio | 101,07 |
| Rodio | 102,90550 |
| Palladio | 106,42 |
| Argento | 107,8682 |
| Cadmio | 112,411 |
| Indio | 114,82 |
| Stagno | 118,710 |
| Antimonio | 121,75 |
| Iodio | 126,90447 |
| Tellurio | 127,60 |
| Xeno | 131,29 |
| Cesio | 132,90543 |
| Bario | 137,327 |
| Lantanio | 138,9055 |
| Cerio | 140,115 |
| Praseodimio | 140,90765 |
| Neodimio | 144,24 |
| Promezio | 146,9151 |
| Samario | 150,36 |
| Europio | 151,965 |
| Gadolinio | 157,25 |
| Terbio | 158,92534 |
| Disprosio | 162,50 |
| Olmio | 164,93032 |
| Erbio | 167,26 |
| Tulio | 168,93421 |
| Itterbio | 173,04 |
| Lutezio | 174,967 |
| Afnio | 178,49 |
| Tantalio | 180,9479 |
| Tungsteno | 183,85 |
| Renio | 186,207 |
| Osmio | 190,2 |
| Iridio | 192,22 |
| Platino | 195,08 |
| Oro | 196,96654 |
| Mercurio | 200,59 |
| Tallio | 204,3833 |
| Piombo | 207,2 |
| Bismuto | 208,98037 |
| Polonio | 208,9824 |
| Astato | 209,9871 |
| Radon | 222,0176 |
| Francio | 223,019 |
| Radio | 226,0254 |
| Attinio | 227,0278 |
| Protoattinio | 231,0359 |
| Torio | 232,0381 |
| Nettunio | 237,0482 |
| Uranio | 238,0289 |
| Americio | 243,0614 |
| Plutonio | 244,0642 |
| Berkelio | 247,0703 |
| Curio | 247,0704 |
| Californio | 251,0796 |
| Einsteinio | 252,0829 |
| Fermio | 257,0951 |
| Mendelevio | 258,0986 |
| Nobelio | 259,1009 |
| Laurenzio | 260,1053 |
| Rutherfordio | 261,1087 |
| Dubnio | 262,1138 |
| Bohrio | 262,1229 |
| Seaborgio | 263,9182 |
| Hassio | 265 |
| Meitnerio | 266 |
| Darmstadtio | 281 |
| Roentgenio | 281 |
| Copernicio | 285 |
| Nihonium | 286 |
| Flerovio | 289 |
| Moscovium | 289 |
| Livermorio | 293 |
| Tennessine | 294 |
| Oganesson | 294 |