Question

When the number of valence electrons in an element x is 4 or more than 4, does (8-x) match with the valency of that element? How many electrons are used to complete the octet

Answer 1

Explanation:

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Answer 2

Yes, when the number of valence electrons in an element x is 4 or more than 4, does (8-x) match with the valency of that element.

In this case the electrons required to complete the octet will be 8-x

For eg: In fluorine there are 7 valence electron

            so its valency will be 8-7=1

            It will need 1 electron to complete its octet.