Isotopes of an element are atoms that have
A)the same number of protons, but a different number of electron.
B)the same number of neutrons, but a different number of protons.
C)the same number of protons, but a different number of neutrons.
D)equal numbers of protons and neutrons.

Question

Quizplus · Accepted Answer

Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. This means they have the same atomic number, but different atomic masses.

Isotopes of an Element Are Atoms That Have