Isotopes differ in the number of
A) gamma particles.
B) electrons.
C) compounds.
D) neutrons.
E) neutrons and protons.

Question

Quizplus · Accepted Answer

Isotopes are variants of a particular chemical element, which differ in the number of neutrons. The number of protons and electrons is the same in all isotopes of a particular element, so options A, B, and C are incorrect. Option E is partially true since isotopes can have different numbers of neutrons and protons, but the most accurate statement is that they differ in the number of neutrons.

Isotopes Differ in the Number of