Question

question 10 of 10 what is an isotope? a. atoms of the same element that differ in number of protons b. atoms of the same element that differ in number of electrons c. atoms of the same element that differ in number of neutrons d. atoms of different elements that have the same number of neutrons

Explanation:

Isotopes are atoms of the same element. They have the same number of protons (which defines the element), but different numbers of neutrons. This difference in neutron - number leads to different atomic masses for isotopes of the same element.

Answer:

C. Atoms of the same element that differ in number of neutrons