Common Polyatomic Ions

Vocabulary practice flashcards covering names and chemical formulas of common polyatomic ions.

Acetate

$\text{CH}_3\text{COO}^-$ or $\text{C}_2\text{H}_3\text{O}_2^-$

Ammonium

$$\text{NH}_4^+$$

Bicarbonate (Hydrogen carbonate)

$$\text{HCO}_3^-$$

Carbonate

$$\text{CO}_3^{2-}$$

Chromate

$$\text{CrO}_4^{2-}$$

Cyanide

$$\text{CN}^-$$

Dichromate

$$\text{Cr}_2\text{O}_7^{2-}$$

Hydroxide

$$\text{OH}^-$$

Nitrate

$$\text{NO}_3^-$$

Nitrite

$$\text{NO}_2^-$$

Phosphate

$$\text{PO}_4^{3-}$$

Sulfate

$$\text{SO}_4^{2-}$$