What is the difference between an ionic compound and a polyatomic ion?

1 Answer
anor277
Sep 1, 2017

Well, an ionic compound, e.g. #NaCl#, #CaBr_2#, is a NEUTRAL salt composed of ions.....

Explanation:

And a polyatomic ion is an anion or cation, that bears an excess or deficiency of electrons, e.g. #NH_4^+#, or #NO_3^(-)#.....

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