Define bond energy. - Leaving Cert Chemistry - Question (g) - 2019

Bond energy is defined as the average amount of energy involved in forming or breaking a bond. Specifically, it refers to:

1. The average amount of energy required to break one mole of bonds in a gaseous state.
2. The average amount of energy stored in a mole of a bond for a specific type of atom in the gaseous phase.
3. The amount of energy needed to separate a particular type of atom in a chemical species into its gaseous atoms.