Polyatomic Ions

28 to memerize

How many +1 charge

1

How many -1 charge

19, 9 simplified

How many -2 charge

6, 4 simplified

How many -3 charge

2, 1 simplified

All +1 charged polyatomic ions

Ammonium

All -1 charged polyatomic ions

Bromine-Oxides, Iodine-Oxides, Chlorine-Oxides, Nitrogen-Oxides, Acetate, Bicarbonate, Cyanide, Permanganate, Hydroxide

All -2 charged polyatomic ions

Chromium-Oxides, Sulfur-Oxides, Peroxide, Carbonate

All -3 charged polyatomic ions

Phosphorus-Oxides (phosphite and phosphate)

Ammonium

NH4⁺

Hypobromite

BrO^-

Bromite

BrO₂^-

Bromate

BrO₃^-

Perbromate

BrO₄^-

Hypoiodite

IO^-

Iodite

IO^₂-

Iodate

IO₃^-

Periodate

IO₄^-

Hypochlorite

ClO^-

Chlorite

ClO₂^-

Chlorate

ClO₃^-

Perchlorate

ClO₄^-

Nitrite

NO₂^-

Nitrate

NO₃^-

Acetate

CH₃COO^-

Bicarbonate

HCO₃^-

Cyanide

CN^-

Permanganate

MnO₄^-

Hydroxide

OH^-

Peroxide

O₂^-2

Carbonate

CO₃^-2

Sulfite

SO₃^-2

Sulfate

SO₄^-2

Chromate

CrO₄^-2

Dichromate

Cr₂O₇^-2

Phosphite

PO₃^-3

Phosphate

PO₄^-3