Isotopes of a given element have
A) the same number of protons but differ in atomic mass.
B) the same atomic mass but different number of protons.
C) different number of electrons.
D) the same number of protons and atomic mass.
E) the same number of neutrons.

Question

Quizplus · Accepted Answer

Isotopes are atoms of the same element that differ in the number of neutrons only; thus, they have the same atomic number but different atomic masses.

Isotopes of a Given Element Have