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Røntgenium
RøntgeniumDownload Chemistry-applikationen for at se flere oplysninger om det kemiske element:
| Atomnummer | 111 |
| Gruppe | IB |
| Periode | 7 |
| Vægt | 281.16 |
| Latinsk navn | Roentgenium |
| Elektronkonfiguration | [Rn] 7s2 5f14 6d9 |
| Oxidationstilstand | -1, 0, 1, 3, 5 |