Question

when atoms gain or lose electrons, they can become negatively or positively charged. these charged atoms are known as: multiple choice isotopes. unstable atoms. isomers. ions.

Explanation:

Isotopes are atoms of the same element with different numbers of neutrons. Unstable atoms are atoms that decay over time. Isomers are molecules with the same molecular formula but different structures. Ions are atoms that have gained or lost electrons and thus have a net charge.

Answer:

D. Ions