Atoms of the same element that have different masses are called
A)allotropes.
B)anions.
C)isotopes.
D)molecules.

Question

Quizplus · Accepted Answer

Isotopes are atoms of the same element that have different mass numbers, which means they have different numbers of neutrons in their nuclei. Allotropes are different forms of an element in the same physical state, such as diamond and graphite for carbon. Anions are negatively charged ions, and molecules are groups of atoms bonded together.

Atoms of the Same Element That Have Different Masses Are