Neutrons Are Slightly More Massive Than Protons

Multiple Choice

Neutrons are slightly more massive than protons.If the mass of a neutron were smaller than its actual value,yet still more massive than a proton,a nucleus with a very high atomic number would most likely contain

A) more neutrons than the actual number.
B) fewer neutrons than the actual number.
C) the same number of neutrons as the actual number.