Question

How to find out a covalency of an element in a compound

Answer 1

The simplest atom, hydrogen has the capacity to form one bond; that is, it can attach itself to one other atom to form a molecule. Oxygen atoms can form two bonds and nitrogen atoms can form three within a molecule. Tocalculate the formula for a molecule the covalencies of the atoms must be balanced.

Answer 2

Covalency is always

:-(Valency-1)