Question

how to calculate valence electrons in one mol ​

Answer 1

For this Firstly you must be known about Electric Configuration !

Then Arrange the number of electrons

and the number of electrons left in the outer most shell would be the valence electrons

Eg --). Nitrogen Atomic Number 7

Electronic Configuration

K. L. M

2. 5. -

As the number of electrons in the outer most shell is 5

. • . Valence electrons = 5

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