NH₄⁺ correct answers Ammonium
C₂H₃O₂⁻ correct answers Acetate
CO₃²⁻ correct answers Carbonate
HCO₃⁻ correct answers Hydrogen Carbonate (bicarbonate)
CrO₄²⁻ correct answers Chromate
Cr₂O₇²⁻ correct answers Dichromate
CN⁻ correct answers Cyanide
OH⁻ correct answers Hydroxide
NO₃⁻ correct answers Nitrate
NO₂⁻ correct answers Nitrite
MnO₄⁻ correct answers Permanganate
PO₄³⁻ correct answers Phosphate
H₂PO₄⁻ correct answers Dihydrogen Phosphate
SO₄²⁻ correct answers Sulfate
SO₃²⁻ correct answers Sulfite
ClO⁻ correct answers Hypochlorite
ClO₂⁻ correct answers Chlorite
ClO₃⁻ correct answers Chlorate
ClO₄⁻ correct answers Perchlorate
HSO₄⁻ correct answers Hydrogen Sulfate
HPO₄²⁻ correct answers Hydrogen Phosphate
C₂O₄²⁻ correct answers Oxalate
Hg₂²⁺ correct answers Dimercury
O₂²⁻ correct answers Peroxide