Polyatomic Ions
Sulfate - SO₄²⁻
Sulfite - SO3²⁻
Phosphate - PO43-
Phosphite - PO33-
Nitrate - NO₃1⁻
Nitrite - NO₂1⁻
Carbonate - CO₃²⁻
Bicarbonate - HCO₃1⁻
Acetate - C₂H₃O₂¹⁻
Ammonium - NH₄¹⁺
Chlorate - ClO₃¹⁻
Chlorite - ClO₂¹⁻
Hypochlorite - ClO¹⁻
Perchlorate - ClO₄¹⁻
Cyanide - CN¹⁻
Hydroxide - OH¹⁻
Peroxide - O₂²⁻
Permanganate - MnO₄¹⁻
Iodate - IO₃1⁻
Iodite - IO₂1⁻