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Prometium
PrometiumLataa kemian sovellus nähdäksesi lisätietoja kemiallisesta alkuaineesta:
| Järjestysluku | 61 |
| Ryhmä | VIIB |
| Jakso | 6 |
| Massa | 145 |
| Latinalainen nimi | Promethium |
| Elektronikonfiguraatio | [Xe]4f5 6s2 |
| Hapetustila | 0, 2, 3 |