what is an ion?\no an atom that has gained or lost electrons\no an atom with an unstable nucleus\no an atom…

what is an ion?\no an atom that has gained or lost electrons\no an atom with an unstable nucleus\no an atom with too many or too few neutrons\no an 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 an isotope or an unstable atom. An atom that emits radiation is also related to radioactivity.
Answer:
An atom that has gained or lost electrons