Question

explain the formation of ionic compound mgcl2

Answer 1

Mg forms ionic bond to Cl by donating its valence electrons to two Cl atoms.

The electron configuration of Mg is [Ne]3s². It can achieve a complete octet by losing its two valence electrons to form Mg²⁺.

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The electron configuration of Cl is [Ne]3s²3p⁵. It can achieve an octet by gaining one valence electron to form Cl⁻.