IONS
Chlorate: ClO₃⁻
Bromate: BrO₃⁻
Carbonate: CO₃²⁻
Chromate: CrO₄²⁻
Dichromate: Cr₂O₇²⁻
Nitrate: NO₃⁻
Sulfate: SO₄²⁻
Phosphate: PO₄³⁻
Acetate: C₂H₃O₂⁻ or CH₃COO⁻
Ammonium: NH₄⁺
Oxalate: C₂O₄²⁻
Cyanide: CN⁻
Bicarbonate: HCO₃⁻
Hydroxide: OH⁻
Mercury (I) (also called mercurous ion): Hg₂²⁺
Peroxide: O₂²⁻
Thiocyanate: SCN⁻
Permanganate: MnO₄⁻