| Z | 87 |
|---|---|
| Symbol | Fr |
| Name | Francium |
| Gruppe | 1 |
| Periode | 7 |
| Atommasse Scalar | [223] |
| Dichte Scalar | 1870 |
| Schmelzpunkt Scalar | 300.15 |
| Siedepunkt Scalar | 950 |
| Elektronegativität Scalar | 0.7 |
| Häufigkeit | <0.001 |
| Ionisationsenergie Scalar | 4.0727 |
| Atomradius Scalar | no data |
| Elektronenkonfiguration | [Rn] 7s1 |
| English name | Francium |
| oberer Nachbar | Cs |
| rechter Nachbar | Ra |
| unterer Nachbar | Uue? |
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