In a $H_2$ molecule, one pair of electrons is shared between the two hydrogen atoms.

Q. In a $H_2$ molecule, one pair of electrons is shared between the two hydrogen atoms.

Q. How many pairs of electrons are shared between the two Nitrogen atoms in ${\text{N}}_2$ molecule?

Q. The total number of electrons shared between the atoms of a hydrogen chloride molecule is .

Q. How many electron pair(s) is/are shared between the two nitrogen atoms in a ${\text{N}}_2$ molecule?

Q.

How many pair(s) of electrons are shared between the two carbon atoms in an ethene molecule?