Bay High School Chemistry - Names and Charges of Polyatomic Ions

Vocabulary flashcards detailing the names, formulas, and ionic charges of common polyatomic ions from Table B.8.

Chromate

$CrO_4^{2-}$ (2- charge)

Dichromate

$Cr_2O_7^{2-}$ (2- charge)

Oxalate

$C_2O_4^{2-}$ (2- charge)

Peroxide

$O_2^{2-}$ (2- charge)

Silicate

$SiO_3^{2-}$ (2- charge)

Sulfate

$SO_4^{2-}$ (2- charge)

Sulfite

$SO_3^{2-}$ (2- charge)

Thiosulfate

$S_2O_3^{2-}$ (2- charge)

Phosphate

$PO_4^{3-}$ (3- charge)

Phosphite

$PO_3^{3-}$ (3- charge)

Ammonium

$NH_4^+$ (1+ charge)

Carbonate

CO₃^2- (2- charge)