3. Ionic Compounds

Give the systematic name for the following polyatomic ion.

NO₂^–

Give the systematic name for the following polyatomic ion.

CO₂^2–

Give the systematic name for the following polyatomic ion.

AsO₄^2–

The formula for the sulfate ion, SO₄^2–. If the term of 'thio' means the replacement of an oxygen by a sulfur, what is the formula for the thiosulfate ion?

Give the systematic name for the following polyatomic ion.

FO^–

Give the systematic name for the following polyatomic ion.

IO₃^–

The silicate ion is the silicon version of the carbonate ion. Based on this description, provide the structure of the silicate ion.