A Valid Inference from the Fact That the Radius of the Nucleus

Multiple Choice

A valid inference from the fact that the radius of the nucleus is related to the mass number A is that

A) the nuclear force obeys an inverse square law.
B) the number of nucleons per unit volume in atoms is independent of the element.
C) the atomic size increases as the nuclear size increases.
D) the nucleons in a nucleus are separated by distances large compared to their individual sizes.