Common Polyatomic Ions and Nomenclature

Vocabulary flashcards covering names, formulas, and charges of common polyatomic ions and metal ions from the lecture notes.

Ammonium

Polyatomic ion with formula $NH_4^+$

Acetate

Polyatomic ion with formula $C_2H_3O_2^-$

Carbonate

Polyatomic ion with formula $CO_3^{2-}$

Sulfite

Polyatomic ion with formula $SO_3^{2-}$

Sulfate

Polyatomic ion with formula $SO_4^{2-}$

Hydrogen sulfate

Polyatomic ion with formula $HSO_4^-$

Hydrogen sulfite

Polyatomic ion with formula $HSO_3^-$

Hydrogen carbonate

Polyatomic ion with formula $HCO_3^-$

Cyanide

Polyatomic ion with formula $CN^-$

Thiosulfate

Polyatomic ion with formula $S_2O_3^{2-}$

Cyanate

Polyatomic ion with formula $OCN^-$

Oxalate

Polyatomic ion with formula $C_2O_4^{2-}$

Thiocyanate

Polyatomic ion with formula $SCN^-$

Hydroxide

Polyatomic ion with formula $OH^-$

Nitrite

Polyatomic ion with formula $NO_2^-$

Peroxide

Polyatomic ion with formula $O_2^{2-}$

Nitrate

Polyatomic ion with formula $NO_3^-$

Chromate

Polyatomic ion with formula $CrO_4^{2-}$

Phosphate

Polyatomic ion with formula $PO_4^{3-}$

Dichromate

Polyatomic ion with formula $Cr_2O_7^{2-}$

Hydrogen phosphate

Polyatomic ion with formula $HPO_4^{2-}$

Permanganate

Polyatomic ion with formula $MnO_4^-$

Dihydrogen phosphate

Polyatomic ion with formula $H_2PO_4^-$

Hypofluorite

Polyatomic ion with formula $FO^-$

Fluorite

Polyatomic ion with formula $FO_2^-$

Hypochlorite

Polyatomic ion with formula $ClO^-$

Chlorite

Polyatomic ion with formula $ClO_2^-$

Chlorate

Polyatomic ion with formula $ClO_3^-$

Perchlorate

Polyatomic ion with formula $ClO_4^-$

Hypobromite

Polyatomic ion with formula $BrO^-$

Bromate

Polyatomic ion with formula $BrO_3^-$

Perbromate

Polyatomic ion with formula $BrO_4^-$

Hypoiodite

Polyatomic ion with formula $IO^-$

Iodate

Polyatomic ion with formula $IO_3^-$

Periodate

Polyatomic ion with formula $IO_4^-$

Gold (I)

Also known as aurous

Iron (II)

Also known as ferrous