What are the two different ions present in the compound Al(NO₃)₃

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The compound formula indicates the presence of Al (aluminum) and (NO₃) (an anion with nitrogen, oxygen, sulfur, and boron). In order for the compound to be neutral, it must also contain two positively charged ions. The only option that contains both aluminum (Al) and the anion (NO₃) as well as two different positively charged ions is C. Option A has an incorrect subscript for the aluminum ion and includes an extra sulfur ion. Option B is missing aluminum ions. Option D includes an extra aluminum ion. Option E has an incorrect subscript for the aluminum ion.

What Are the Two Different Ions Present in the Compound