Question

the electronic configuration of an element is (2,5) hence it's valency is______. ans it with explanation ​

Answer 1

Answer:

it needs 3 electrons to fill it's outermost shell ..

according to the octet rule..

.

so 3 is the valency of tht element..

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Answer 2

Explanation:

it is neon its valency is 1 because it has to complete it ok take to achieve noble gas configuration.

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