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Prometij
PrometijPreuzmite aplikaciju Kemija kako biste vidjeli više informacija o kemijskom elementu:
| Atomski broj | 61 |
| Skupina periodnog sustava | VIIB |
| Perioda periodnog sustava | 6 |
| Masa | 145 |
| Latinski naziv | Promethium |
| Elektronski omotač atoma | [Xe]4f5 6s2 |
| Oksidacijsko stanje | 0, 2, 3 |