Calcium ek chemical element hae jiske symbol Ca, atomic number 20 aur mass number 40.08 hae.

Atomic Structure
Symbol Ca
Atomic Number 20
Atomic Mass 40.8 g/mol
Periodic Table
Group 2
Row / Period 4
Element Category Khaara matti dhaatu
Chhapa
Calcium ke electron shell


Very pure calcium metal, not corroded
Calcium metal in air, corroded