How many pairs of bonding and nonbonding valence electrons are in this molecule? (a) 3 pairs of...

Given that no molecule is shown, I will outline what it means to have nonbonding and bonding electrons. Bonding electrons are those electrons in a Lewis structure which directly form covalent linkages between two atoms, such as a C-C linkage. Nonbonding electrons, found in elements such as nitrogen in the -NH2 form, are lone pair electrons that are not currently engaged with other atoms in a bonding interaction, but are capable of doing so.