Question

if 2=5 what would be the valancy of the element​

Answer 1

Valency of Nitrogen – Atomic number of nitrogen is 7. Its electronic configuration is 2, 5. So, it's clear that nitrogen has 5 electrons in its outermost shell.

Answer 2

Explanation:

if z=5

The name of element is Boron

the atomic no. is 5

the no . electrons =5

Electronic configaration is 2,3 so the valancy of the element , BORON is 3+