Polyatomic Ions Names and Symbols

Front

Ammonium ion

Back

NH₄⁺

Front

Nitrate ion

Back

NO₃⁻

Front

Nitrite ion

Back

NO₂⁻

Front

Sulfate ion

Back

SO₄²⁻

Front

Sulfite ion

Back

SO₃²⁻

Front

Phosphate ion

Back

PO₄³⁻

Front

Carbonate ion

Back

CO₃²⁻

Front

Bicarbonate (Hydrogen Carbonate) ion

Back

HCO₃⁻

Front

Acetate/Ethanoate ion

Back

C₂H₃O₂⁻/CH₃COO⁻

Front

Hydroxide ion

Back

OH⁻