Polyatomic Ions (CHM151) Vocabulary

A set of vocabulary flashcards detailing the names, formulas, and charges of common polyatomic ions from the CHM151 course material.

Phosphate

Formula: $PO_4^{3-}$, Charge: $-3$

Phosphite

Formula: $PO_3^{3-}$, Charge: $-3$

Carbonate

Formula: $CO_3^{2-}$, Charge: $-2$

Chromate

Formula: $CrO_4^{2-}$, Charge: $-2$

Dichromate

Formula: $Cr_2O_7^{2-}$, Charge: $-2$

Peroxide

Formula: $O_2^{2-}$, Charge: $-2$

Sulfate

Formula: $SO_4^{2-}$, Charge: $-2$

Sulfite

Formula: $SO_3^{2-}$, Charge: $-2$

Acetate

Formula: $C_2H_3O_2^-$, Charge: $-1$

Bicarbonate

Formula: $HCO_3^-$, Charge: $-1$

Chlorate

Formula: $ClO_3^-$, Charge: $-1$

Chlorite

Formula: $ClO_2^-$, Charge: $-1$

Cyanide

Formula: $CN^-$, Charge: $-1$

Hydroxide

Formula: $OH^-$, Charge: $-1$

Hypochlorite

Formula: $ClO^-$, Charge: $-1$

Nitrate

Formula: $NO_3^-$, Charge: $-1$

Nitrite

Formula: $NO_2^-$, Charge: $-1$

Perchlorate

Formula: $ClO_4^-$, Charge: $-1$

Permanganate

Formula: $MnO_4^-$, Charge: $-1$

Ammonium

Formula: $NH_4^+$, Charge: $+1$

Hydronium

Formula: $H_3O^+$, Charge: $+1$