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Fr
Francium
#87 · Alkaline Metal
| Kuwala | 223.01973 u |
| Kuwala | 1.87 g/cm³ |
| Kusungunuka | 300.0 K |
| Kutentha | 950.0 K |
| Electronegativity | 0.7 |
| Kuwala | 380.0 kJ/mol |
| Atomic radius | 260.0 pm |
| Kuletsa | s-block |
| State (RT) | M'gululi |
| Kusintha | [Rn] 7s1 |