Interpretation:
Each of the given ionic compounds that contains a polyatomic ion is to be named.
Concept introduction:
Polyatomic ions, that is, group of atoms carrying a charge also form ionic compounds. Polyatomic ions may be a cation like ammonium ion
In order to name the ionic compounds that contain a polyatomic ion, use the name of the polyatomic ion as it is.
The naming of such ionic compounds that contain a polyatomic ion is as follows:
Cation (charge of cation in Roman numeral in parentheses) + polyatomic anion name
If the compound contains both a polyatomic cation and a polyatomic anion, use the names of both polyatomic ions.
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