Question

find out the valency of an element x having atomic number 23.​

Answer 1

Explanation:

The valency of an element is the number of electrons required to fill the outermost shell.

Electronic configuration :- 2,8,8,5

3 electrons are required to fill the outermost shell and become stable.

Hence the valency is 3.

Answer 2

Answer:

Element name is vanadium it has atomic number 23.

Explanation:

It's valency is 3

K she'll 2

L she'll 8

M she'll 8

N she'll 5

so it need another 3 electrons to fulfill its outermost she'll

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