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Ra
Radium
#88 · Alkaline Earth Metal
| Mafuta | 226.02541 u |
| Kuomarara | 5.5 g/cm³ |
| Kutonhora | 973.0 K |
| Kutonhora | 2010.0 K |
| Electronegativity | 0.9 |
| Kutonhora | 509.3 kJ/mol |
| Atomic radius: | 221.0 pm |
| Block | s- block |
| State (RT) | _Kukanganisa: |
| Kugadzirisa | [Rn] 7s2 |