Isotopes are atoms of the same element with
A)different numbers of neutrons.
B)different numbers of electrons.
C)different numbers of protons.
D)different atomic numbers.

Question

Quizplus · Accepted Answer

Isotopes are defined as atoms of the same element that have a different number of neutrons. The number of protons (atomic number) in an element determines its identity as a unique element, while the number of neutrons can vary, leading to isotopes of that particular element. Therefore, option A is the correct choice.

Isotopes Are Atoms of the Same Element with