Which Statement Accurately Describes the Binding Energy of a Nucleus

Multiple Choice

Which statement accurately describes the binding energy of a nucleus?

A) It is the difference between the masses of separated nucleons and the mass of a nucleus, converted into energy.
B) It is the energy required for a nucleus to bond nucleons.
C) It is equal to the mass of nucleons when converted into energy.
D) It is the difference between the mass of the atom and the mass of the electrons, converted into energy.