polyatomics
Name | Formula | Charge |
|---|---|---|
Ammonium | NH₄⁺ | +1 |
Hydronium | H₃O⁺ | +1 |
Mercury(I) | Hg₂²⁺ | +2 |
🌿 Negative Ions (Anions)
– 1 Charge
Name | Formula |
Hydroxide | OH⁻ |
Hypochlorite | ClO⁻ |
Chlorite | ClO₂⁻ |
Chlorate | ClO₃⁻ |
Perchlorate | ClO₄⁻ |
Nitrite | NO₂⁻ |
Nitrate | NO₃⁻ |
Hydrogen sulfate (bisulfate) | HSO₄⁻ |
Dihydrogen phosphate | H₂PO₄⁻ |
Hydrogen carbonate (bicarbonate) | HCO₃⁻ |
Cyanide | CN⁻ |
Thiocyanate | SCN⁻ |
Acetate | C₂H₃O₂⁻ |
Azide | N₃⁻ |
– 2 Charge
Name | Formula |
Peroxide | O₂²⁻ |
Oxalate | C₂O₄²⁻ |
Sulfite | SO₃²⁻ |
Sulfate | SO₄²⁻ |
Chromate | CrO₄²⁻ |
Dichromate | Cr₂O₇²⁻ |
Hydrogen phosphate | HPO₄²⁻ |
Carbonate | CO₃²⁻ |
– 3 Charge
Name | Formula |
Phosphate | PO₄³⁻ |
Phosphite | PO₃³⁻ |