Common Polyatomic Ions

A collection of flashcards for memorizing the names and chemical formulas of common polyatomic ions based on the lecture transcript.

acetate

$$C_2H_3O_2^{-}$$

hydroxide

$$OH^{-}$$

chromate

$$CrO_4^{2-}$$

dichromate

$$Cr_2O_7^{2-}$$

ammonium

$$NH_4^{+}$$

hydrogen carbonate (aka bicarbonate)

$$HCO_3^{-}$$

hydrogen sulfate (aka bisulfate)

$$HSO_4^{-}$$

carbonate

$$CO_3^{2-}$$

nitrate

$$NO_3^{-}$$

nitrite

$$NO_2^{-}$$

hypochlorite

$$ClO^{-}$$

chlorite

$$ClO_2^{-}$$

chlorate

$$ClO_3^{-}$$

perchlorate

$$ClO_4^{-}$$

sulfate

$$SO_4^{2-}$$

sulfite

$$SO_3^{2-}$$

phosphate

$$PO_4^{3-}$$

phosphite

$$PO_3^{3-}$$

hydrogen sulfite (aka bisulfite)

$$HSO_3^{-}$$