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Cs
Cesium
#55 · I-Alkali Metal
| I-Mass | 132.91 u |
| Uxinano | 1.873 g/cm³ |
| Uthuthu | 301.59 K |
| Ukomisa | 944.0 K |
| Electronegativity | 0.79 |
| Ionization energy | 375.7 kJ/mol |
| Atomic radius: | 265.0 pm |
| I-Block | s- iblock |
| Ilizwe (RT) | I-Solid |
| Qwalasela | [Xe] 6s1 |