Chemistry, asked by ankur14092004, 10 months ago

how to calculate the valency after 20 element ​

Answers

Answered by surbhikushwaha17
0

Answer:

The valency of an atom is equal to the number of electrons in the outer shell if that number is four or less Otherwise the valency is equal to eight minus the number of electrons in the outer shell..

hope it will be help

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