Polyatomic Ions

Notes: Only includes required ions. All numbers represent subscripts. Charges are in parentheses. Last cards include names of multivalent metals. Latin names with endings and regular names with charges as roman numerals.

NH4 (+1)

Ammonium

C2H3O2 (-1)

Acetate

CN (-1)

Cyanide

CO3 (-2)

Carbonate

HCO3 (-1)

Bicarbonate

C2O4 (-2)

Oxalate

ClO (-1)

Hypochlorite

ClO2 (-1)

Chlorite

ClO3 (-1)

Chlorate

ClO4 (-1)

Perchlorate

S2O3 (-2)

Thiosulfate

BrO (-1)

Hypobromite

BrO3 (-1)

Bromate

CrO4 (-2)

Chromate

Cr2O7 (-2)

Dichromate

MnO4 (-2)

Manganate

MnO4 (-1)

Permanganate

NO2 (-1)

Nitrite

NO3 (-1)

Nitrate

OH (-1)

Hydroxide

PO4 (-3)

Phosphate

PO3 (-3)

Phosphite

SCN (-1)

Thiocyanate

SO3 (-2)

Sulfite

SO4 (-2)

Sulfate

HSO4 (-1)

Hydrogen sulfate

IO3 (-1)

Iodate

SeO4 (-2)

Selenate

HSO3 (-1)

Hydrogen sulfite

O2 (-2)

Peroxide

Ferrous

Iron (II)

Ferric

Iron (III)

Plumbous

Lead (II)

Plumbic

Lead (IV)

Stannous

Tin (II)

Stannic

Tin (IV)

Hydrargyous

Mercury (I)

Hydrargyic

Mercury (II)

Cuprous

Copper (I)

Cupric

Copper (II)