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

Name the following ions: (a) Ba²⁺ (b) Cs⁺ (c) V³⁺ (d) HCO₃^- (e) NH₄ (f) Ni²⁺ (g) NO₂^- (h) ClO₂^- i) Mn²⁺ (j) ClO₄^-

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⁺

Give the chemical formula for d. perchlorate ion

Give the chemical formula for e. hypochlorite ion.

Give the systematic name for the following polyatomic ion.

NO₂^–

Give the systematic name for the following polyatomic ion.

CO₂^2–