Question

Explain the ion bond formation of calcuim oxide, Magnesium chloride and potassium oxide ?
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Answer 1

Answer:

1 case

oxygen needs two electrons to complete its octate and calcium has two extra.

Formulae --- CaO

2 case

chlorine needs one electon to complete its octate and magnesium has two extra

Formula ---- MgCl2 where Mg+2 and Cl-1

3 case

two potassium atoms react with one oygen atom

Formulae --- K20 where K+1 and O-2

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