Polyatomic Anions - Page 1

Vocabulary flashcards for common polyatomic anions, showing each ion name and its formula.

Acetate

CH3COO-; a polyatomic anion that is the conjugate base of acetic acid.

Azide

N3-

Hydroxide

OH-

Cyanate

CNO-

Cyanide ion

CN-

Hydrogen carbonate (bicarbonate)

HCO3-

Dihydrogen phosphite

H2PO3-

Dihydrogen phosphate

H2PO4-

Hydrosulfide (bisulfide)

HS-

Hydrogen sulfite (bisulfite)

HSO3-

Hydrogen sulfate (bisulfate)

HSO4-

Nitrite ion

NO2-

Nitrate

NO3-

Permanganate

MnO4-

Thiocyanate

SCN-

Hypochlorite

ClO-

Chlorite

ClO2-

Chlorate

ClO3-

Perchlorate

ClO4-

Hypobromite

BrO-

Bromite

BrO2-

Bromate

BrO3-

Perbromate

BrO4-

Hypoiodite

IO-

Iodite

IO2-

Iodate

IO3-

Periodate

IO4-

Carbonate

CO3^2-

Chromate

CrO4^2-

Dichromate

Cr2O7^2-

Hydrogen phosphite

HPO3^2-

Hydrogen phosphate

HPO4^2-

Manganate

MnO4^2-

Oxalate

C2O4^2-

Peroxide

O2^2-

Sulfite

SO3^2-

Sulfate

SO4^2-

Arsenite

AsO3^3-

Arsenate ion

AsO4^3-

Phosphite

PO3^3-

Phosphate

PO4^3-