Honors Chemistry Table E - Selected Polyatomic Ions

Mr. Kettler's Class 2024 - 2025

Hydronium

Hydronium

H₃0+

Mercury (I)

Hg₂²+

Ammonium

NH₄+

Acetate

C₂H₃O₂

Cyanide

CN^-

Carbonate

CO₃^2-

Hydrogen carbonate

HCO₃-

Oxalate

C₂O₄^2-

Hypochlorite

ClO^-

Chlorite

ClO₂^-

Chlorate

ClO₃^-

Perchlorate

ClO₄^-

Chromate

CrO₄^2-

Dichromate

Cr₂O₇^2-

Permanganate

MnO₄^-

Nitrite

NO₂^-

Nitrate

NO₃^-

Peroxide

O₂^2-

Phospate

PO₄^3-

Hydroxide

OH^-

Thiocyanate

SCN^-

Sulfite

SO₃^2-

Sulfate

SO₄^2-

Hydrogen sulfate

HSO₄^-

Thiosulfate

S₂O₃^2-