Question

show the formation of cao by thetransfer of eletron​

Answer 1

Explanation:

An ionic bond is formed when an element completely transfers its valence electron to another element. The element which donates the electron is known as electropositive element and the element which accepts the electrons is known as electronegative element. This bond is formed between a metal and an non-metal.

Electronic configuration of calcium:

Calcium atom will loose two electrons to gain noble gas configuration and form calcium cation with +2 charge.

Electronic configuration of oxygen:

Oxygen atom will gain two electrons to gain noble gas configuration and form oxide ion with -2 charge.

Thus the ions combine to form neutral

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