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Promethium
PromethiumDownload de scheikundetoepassing om meer informatie over het chemische element te bekijken:
| Atoomnummer | 61 |
| Chemische groep | VIIB |
| Periode | 6 |
| Massa | 145 |
| Latijnse naam | Promethium |
| Elektronenconfiguratie | [Xe]4f5 6s2 |
| Oxidatiestaat | 0, 2, 3 |