Question

I really need help with this question

Compared to atoms of the same element, isotopes have different

A. numbers of protons.
B. types of subatomic particles.
C. numbers of electrons.
D. numbers of neutrons.

Answer 1

The answer is D.
Isotopes are atoms of the same element with the same proton number (hence, also same electron number) but different neutron number.
The type of subatomic particles will be the same.