Charges of the Polyatomic Ions

The Charges of the Polyatomic Ions

Ammonium (NH₄⁺)

1+

Hydronium (H₃O⁺)

1+

Hydroxide (OH⁻)

1-

Nitrate (NO₃⁻)

1-

Nitrite (NO₂⁻)

1-

Carbonate (CO₃²⁻)

2-

Hydrogen Carbonate (HCO₃⁻)

1-

Perchlorate (ClO₄⁻)

1-

Chlorate (ClO₃⁻)

1-

Chlorite (ClO₂⁻)

1-

Hypochlorite (ClO⁻ or OCl⁻)

1-

Perbromate (BrO₄⁻)

1-

Bromate (BrO₃⁻)

1-

Bromite (BrO₂⁻)

1-

Hypobromite (BrO⁻ or OBr⁻)

1-

Sulfate (SO₄²⁻)

2-

Sulfite (SO₃²⁻)

2-

Hydrogen Sulfate (HSO₄⁻)

1-

Hydrogen Sulfite (HSO₃⁻)

1-

Phosphate (PO₄³⁻)

3-

Hydrogen Phosphate (HPO₄²⁻)

2-

Dihydrogen Phosphate (H₂PO₄⁻)

1-

Chromate (CrO₄²⁻)

2-

Dichromate (Cr₂O₇²⁻)

2-

Permanganate (MnO₄⁻)

1-

Acetate (C₂H₃O₂⁻)

1-