Mastering Polyatomic Ions in Chemistry: Day 3 Exceptions and Special Cases

Vocabulary flashcards covering the Day 3 exceptions and special cases of polyatomic ions in chemistry.

Ammonium

$NH_4^+$ (The only common cation / positive charge on the list)

Hydroxide

$$OH^-$$

Cyanide

$$CN^-$$

Acetate

$C_2H_3O_2^-$ (or $CH_3COO^-$)

Permanganate

$$MnO_4^-$$

Peroxide

$$O_2^{2-}$$

Bicarbonate (Hydrogen carbonate)

$HCO_3^-$ (Derived from carbonate $CO_3^{2-}$)

Bisulfate (Hydrogen sulfate)

$HSO_4^-$ (Derived from sulfate $SO_4^{2-}$)

Bisulfite (Hydrogen sulfite)

$HSO_3^-$ (Derived from sulfite $SO_3^{2-}$)

Hydrogen phosphate

$HPO_4^{2-}$ (Derived from phosphate $PO_4^{3-}$)