Consider the species 72Zn, 75As and 74Ge. These species have

Q. Consider the species 72Zn, 75As and 74Ge. These species have

A.            the same number of electrons.

B.            the same number of protons.

C.            the same number of neutrons.

D.            the same number of protons and neutrons.

Answer: the same number of neutrons.