Einsteinium
Einsteinium on keemiline element järjenumbriga 99.
| 99 | 2 8 29 32 18 8 2 |
| Es <254> | |
| Einsteinium |
Kõik einsteiniumi isotoobid on radioaktiivsed. Pikima elueaga isotoobi massiarv on 252 ja poolestusaeg on 472 ööpäeva.
Omadustelt on einsteinium aktinoid.
Einsteinium avastati 1952. aastal.
Viited
 | Vikisõnastiku artikkel: einsteinium |
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