Question

two atoms with the same number of protons but a different number of neutrons are called select choice select choice ions compounds isotopes molecules

Explanation:

Isotopes are defined as atoms of the same element (same number of protons) that have different numbers of neutrons. Ions are atoms with a net electric charge due to loss or gain of electrons. Compounds are substances composed of two or more different - type atoms chemically bonded. Molecules are groups of two or more atoms held together by chemical bonds.

Answer:

Isotopes