a norears. Valency of elements....in a period from lett to right.a. In – InterviewSolution

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1.

a norears. Valency of elements....in a period from lett to right.a. Increasesb. decreasesc. remains constantd. increases in the beginning and then decreases.

Answer»

On moving fromleft to rightin aperiod, the number ofvalenceelectrons decreases from 8 to 1.

b) decreases is correct

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