Question

How to find valency of an element

Answer 1

you can find valency by finding electron in last valence shell to complete octet

Answer 2

Hey... I think this can be ur answer!!

Valency of an element is determined by the no of electrons in last orbit(valence electrons).
Valence electrons should be 8......
The no of electrons required to have 8 electrons in last shell is the valency of the element...