Fermium on keemiline element järjekorranumbriga 100.
| 100 |
2
8 30 32 18 8 2 |
| Fm <255> |
|
| Fermium |
Kõik fermiumi isotoobid on radioaktiivsed. Pikima elueaga on isotoop massiarvuga 257, tema poolestusaeg on 100,5 päeva.
Omadustelt on fermium aktinoid.
Fermium avastati 1952. aastal.[1]
Nimetatud itaalia füüsiku Enrico Fermi järgi.
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