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Ba
Barium
#56 · Alkaline Earth Metal
| I-Mass | 137.33 u |
| Uxinano | 3.594 g/cm³ |
| Uthuthu | 1000.0 K |
| Ukomisa | 2170.0 K |
| Electronegativity | 0.89 |
| Ionization energy | 502.9 kJ/mol |
| Atomic radius: | 222.0 pm |
| I-Block | s- iblock |
| Ilizwe (RT) | I-Solid |
| Qwalasela | [Xe] 6s2 |