multiple choice question\nwhat is an ion?\nan atom with an unstable nucleus\nan atom with too many or too…

multiple choice question\nwhat is an ion?\nan atom with an unstable nucleus\nan atom with too many or too few neutrons\nan atom that has gained or lost electrons\nan atom that emits radiation

multiple choice question\nwhat is an ion?\nan atom with an unstable nucleus\nan atom with too many or too few neutrons\nan atom that has gained or lost electrons\nan atom that emits radiation

Answer

Brief Explanations:

An ion is formed when an atom gains or loses electrons, resulting in a charged particle. An atom with an unstable nucleus is a radioactive atom. An atom with too many or too few neutrons may be unstable but not necessarily an ion. An atom that emits radiation is a radioactive atom.

Answer:

An atom that has gained or lost electrons