Hon Polyatomic Ions

mercury I

Hg₂⁺²

acetate

CH₃COO⁻¹

arsenate

AsO₄⁻³

dichromate

Cr₂O₇⁻²

ammonium

NH₄⁺¹

hydronium

H₃O⁺¹

nitrate

NO₃⁻¹

nitrite

NO₂⁻¹

hydroxide

OH⁻¹

permanganate

MnO₄⁻¹

cyanide

CN⁻¹

acetate

C₂H₃O₂⁻¹

carbonate

CO₃⁻²

sulfate

SO₄⁻²

sulfite

SO₃⁻²

oxalate

C₂O₄⁻²

peroxide

O₂⁻²

phosphate

PO₄⁻³

perchlorate

ClO₄⁻¹

chlorate

ClO₃⁻¹

chlorite

ClO₂⁻¹

hypochlorite

ClO⁻¹

bicarbonate

HCO₃⁻¹

bisulfate

HSO₄⁻¹

hypoiodite

IO⁻¹

iodite

IO₂⁻¹

iodate

IO₃⁻¹

periodate

IO₄⁻¹

hypobromite

BrO⁻¹

bromite

BrO₂⁻¹

bromate

BrO₃⁻¹

perbromate

BrO₄⁻¹

hypoastatite

AtO⁻¹

astatite

AtO₂⁻¹

astatate

AtO₃⁻¹

Borate

BO₃⁻³

biphosphate

HPO₄⁻²

biphosphite

HPO₃⁻²

bisulfite

HSO₃⁻¹

bidichromate

HCr₂O₇⁻¹

bichromate

HCrO₄⁻¹

chromate

CrO₄⁻²

thiosulfate

S₂O₃⁻²

mercury II

Hg⁺²

sulfur

S₈

phosphorus

P₄

List the diatomic elements.

H₂, N₂, O₂, F₂, Cl₂, Br₂, I₂, At₂

thiocyanate

SCN⁻¹

cyanate

OCN⁻¹

arsenite

AsO₃⁻³