Atoms of the same element with different mass numbers are called
A) ions.
B) neutrons.
C) allotropes.
D) chemical families.
E) isotopes.

Name: Atoms of the same element with different mass numbers are called A) ions. B) neutrons. C) allotropes. D) chemical families. E) isotopes.
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Question

Quizplus · Accepted Answer

Isotopes are atoms of the same element with different mass numbers, meaning they have the same number of protons but different numbers of neutrons.

Atoms of the Same Element with Different Mass Numbers Are