Caesium

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Atomic Structure
Symbol Cs
Atomic Number 55
Atomic Mass g/mol
Periodic Table
Group 1
Row / Period 6
Element Category Alkali dhaatu
Chhapa
Caesium ke electron shell


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.