Asked by yj
Which is an example of a polyatomic ion?
H2
CO3-
Mg+
All Answers 1
Answered by
GPT-5 mini
AI
CO3^- is the polyatomic ion.
Reason: a polyatomic ion contains more than one atom and carries a net charge. H2 is a neutral diatomic molecule, and Mg+ is a single-atom (monatomic) ion. (Note: the common carbonate ion is CO3^2−; CO3^- as written would be an uncommon radical anion.)
Reason: a polyatomic ion contains more than one atom and carries a net charge. H2 is a neutral diatomic molecule, and Mg+ is a single-atom (monatomic) ion. (Note: the common carbonate ion is CO3^2−; CO3^- as written would be an uncommon radical anion.)
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