3. Chemical Reactions

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.

AsO₄^3–

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?

Name the anion obtained by removing one oxygen atom from the perbromate ion, BrO₄^-

Name the anion obtained by removing one oxygen atom from the perbromate ion, BrO₄⁻.

Which is an example of a polyatomic ion? H₂ CO₃^- Mg⁺ Ne⁺

An atom or a molecule with either a positive or negative charge is referred to as a(n)