ionic compounds Flashcards
what is an ion?
when an atom has a positive or negative charge, from when it loses or gains electrons to obtain a full outer shell
what are the charges on all metals?
they are always POSITIVE because the always lose electrons
what are the charges on all non metal ions?
they are always NEGATIVE because the always gain electrons
what is ionic bonding?
held together by electrostatic forces of attraction between oppositely charged ions