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Question

How many pairs of electrons are shared between magnesium and oxygen while forming magnesium oxide?

A
0.0
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B
1
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C
2
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D
3
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Solution

The correct option is A 0.0
Magnesium oxide is formed by the transfer of two electrons from magnesium to oxygen. It is formed by ionic bonding between magnesium and oxygen. But, sharing of electrons happens only in covalent bonding. As, magnesium oxide is an ionic compound there are no electrons shared between magnesium and oxygen. Hence, answer is 0.

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