Polyatomic Ions - CHEM 1 (H)

Memorize the Polyatomic Ion Symbol and corresponding Polyatomic Ion Name. Remember there are charges.

NH₄⁺

NH₄⁺

ammonium

C₂H₃O₂⁻

acetate

OH¯

hydroxide

BrO⁻

hypobromite

ClO⁻

hypochlorite

lO⁻

hypoiodite

BrO₂⁻

bromite

ClO₂⁻

chlorite

lO₂⁻

iodite

BrO₃⁻

bromate

ClO₃⁻

chlorate

lO₃⁻

iodate

BrO₄⁻

perbromate

ClO₄⁻

perchlorate

lO₄⁻

periodate

CN⁻

cyanide

HCO₃⁻

hydrogen carbonate (bicarbonate)

HSO₄⁻

hydrogen sulfate (bisulfate)

HSO₃⁻

hydrogen sulfite (bisulfite)

HS⁻

hydrogen sulfide (bisulfide)

H₂PO₄⁻

dihydrogen phosphate

MnO₄⁻

permanganate

NO₂⁻

nitrite

NO₃⁻

nitrate

SCN⁻

thiocyanate

O₂²⁻

peroxide

O₂⁻

superoxide

CO₃²⁻

carbonate

C₂O₄²⁻

oxalate

CrO₄²⁻

chromate

Cr₂O₇²⁻

dichromate

SO₃²⁻

sulfite

SO₄²⁻

sulfate

HPO₄²⁻

hydrogen phosphate

S₂O₃²⁻

thiosulfate

PO₄³⁻

phosphate