Question

What are valence electrons used to find?

Answer 1

valency

Explanation:

Valence electrons are used to find valency. If their is 4 or less than 4 electrons in the outermost shell then the valency will be equal to the vale electrons, but if the number of electrons in the outermost shell is more than 4 ten it will be deducted from 8 to get the valency.