The atomic number of Calcium (Ca) is 20.
Electronic configuration of Ca is [Ar] 4s² or 2 8 8 1
The atomic number of Chlorine (Cl) is 17.
Electronic configuration of Cl is [Ne] 3s² 3p⁵ or 2 8 7
Structure of Calcium Chloride
Formation of Calcium Chloride with the help of electron dot structure
Explore more such questions and answers at BYJU’S.