How Does the Mass of an Atomic Nucleus Compare with the Sum

Multiple Choice

How does the mass of an atomic nucleus compare with the sum of masses of its constituent nucleons separated?

A) The mass of a nucleus is larger than the sum of the masses of individual nucleons.
B) The mass of a nucleus is smaller than the sum of the masses of individual nucleons.
C) The mass of a nucleus is the same as the sum of the masses of individual nucleons.
D) The answer depends on the mass number of the element.