Question

How many electron pairs are shared among those molecules ?​

Answer 1

Answer:

The sharing of a pair of electrons represents a single covalent bond, usually just referred to as a single bond. However, in many molecules atoms attain complete octets by sharing more than one pair of electrons between them: Two electron pairs shared a double bond.

Answer 2

Answer:

the sharing of a pair of electrons represents a single covalent bond, usually just referred to as a single bond.