Isotopes are atoms that have the same ________ but differing ________.
A)atomic masses, charges
B)mass numbers, atomic numbers
C)atomic numbers, mass numbers
D)charges, atomic masses
E)mass numbers, charges

Question

Quizplus · Accepted Answer

Isotopes have the same number of protons (atomic number) but different numbers of neutrons (mass number). So, option C is the correct choice.

Isotopes Are Atoms That Have the Same ________ but Differing