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^-

Give the chemical formula for (e) permanganate ion.

Give the chemical formula for (a) chromate ion (b) bromide iom (c) nitrite ion (d) sulphite ion

Selenium, an element required nutritionally in trace quantities, forms compounds analogous to sulfur. Name the following ions: (a) SeO₄^2- (b) Se^2- (c) HSe^- (d) HSeO₃^-.