Caesium
Caesium (nai to Cesium) ek chemical element hae, jiske atomic number 55 , symbol Cs aur atomic mass 132.91 hae. Dui German chemists, Robert Bunsen aur Gustav Kirchhoff, Caesium ke 1860 me flame spectroscopy se paawe rahin.
| Atomic Structure | |
|---|---|
| Symbol | Cs |
| Atomic Number | 55 |
| Atomic Mass | g/mol |
| Periodic Table | |
| Group | 1 |
| Row / Period | 6 |
| Element Category | Alkali dhaatu |
| Chhapa | |
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