A chemical bond for which one of the bonded atoms provides both electrons for the bond is referred to as a coordinate covalent bond.

Question

Quizplus · Accepted Answer

This is because in a coordinate covalent bond, one atom donates a pair of electrons to be shared with another atom that does not contribute any electrons to the bond. This results in a bond with shared electrons, but one atom is the sole donor of those electrons.

A Chemical Bond for Which One of the Bonded Atoms