| Z | 61 |
|---|---|
| Symbol | Pm |
| Name | Promethium |
| Periode | 6 |
| Atommasse Scalar | [145] |
| Dichte Scalar | 7260 |
| Schmelzpunkt Scalar | 1204.15 |
| Siedepunkt Scalar | 3273 |
| Elektronegativität Scalar | no data |
| Häufigkeit | <0.001 |
| Ionisationsenergie Scalar | 5.582 |
| Atomradius Scalar | 185 |
| Elektronenkonfiguration | [Xe] 4f5 6s2 |
| English name | Promethium |
| linker Nachbar | Nd |
| rechter Nachbar | Sm |
| unterer Nachbar | Np |
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