Chemistry, asked by nancyinsan2098, 11 months ago

determine the valeny of an element X WHOSE atomic number is 15

Answers

Answered by hrithikverma28p83uq9

0

Answer: 3-

Explanation:

Electronic configuration: 2,8,5

So Outermost shell contain 5 electrons

So to complete octet , outermost shell(Valence shell) will gain 3 electrons

Thus Valency will be 3-

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