List of Common Polyatomic and Transition Metal Ions

Vocabulary-style flashcards for common polyatomic and transition metal ions with their standard names and charge forms.

NH4+

ammonium

H3O+

hydronium

Cr2+

chromium(II) (chromous)

Zn2+

zinc(II)

Cr3+

chromium(III) (chromic)

Ag+

silver(I) (argentous)

Mn2+

manganese(II) (manganous)

Au+

gold(I) (aurous)

Mn3+

manganese(III) (manganic)

Au3+

gold(III) (auric)

Fe2+

iron(II) (ferrous)

Hg2^2+

mercurous (mercury(I))

Fe3+

iron(III) (ferric)

Hg2+

mercury(II) (mercuric)

Co2+

cobalt(II) (cobaltous)

Sn2+

tin(II) (stannous)

Co3+

cobalt(III) (cobaltic)

Sn4+

tin(IV) (stannic)

Ni2+

nickel(II) (nickelous)

Pb2+

lead(II) (plumbous)

Ni3+

nickel(III) (nickelic)

Pb4+

lead(IV) (plumbic)

Cu+

copper(I) (cuprous)

Cu2+

copper(II) (cupric)

ClO4-

perchlorate

PO4^3-

phosphate

ClO3-

chlorate

HPO4^2-

monohydrogenphosphate

ClO2-

chlorite

H2PO4-

dihydrogenphosphate

ClO-

hypochlorite

PO3^3-

phosphite

SO4^2-

sulfate

CO3^2-

carbonate

HSO4-

hydrogensulfate (bisulfate)

HCO3-

hydrogencarbonate (bicarbonate)

SO3^2-

sulfite

C2H3O2-

acetate

CH3CO2-

acetate

HSO3-

hydrogensulfite (bisulfite)

CN-

cyanide

S2O3^2-

thiosulfate

OCN-

cyanate

O2^2-

peroxide

SCN-

thiocyanate

OH-

hydroxide

CrO4^2-

chromate

NO3-

nitrate

Cr2O7^2-

dichromate

NO2-

nitrite

MnO4-

permanganate

BO3^3-

borate

C2O4^2-

oxalate

NCS-

isothiocyanate