Polyatomic Ions Chart

NH₄+

Ammonium

C₂H₃O₂- and CH₃COO-

Acetate

CN-

Cyanide

CO3-2

_Carbonate

HCO₃-

Bicarbonate

C₂O₄-²

Oxalate

ClO^-

Hypochlorite

ClO₂^-

Chlorite

ClO₃^-

Chlorate

ClO₄^-

Perchlorate

S₂O₃^-2

Thiosulfate

BrO^-

Hypobromite

AsO₂^-3

Arsenite

BrO₃^-

Bromate

CrO₄^-2

Chromate

Cr₂O₇^-2

Dichromate

MnO₄^-

Permanganate

NO₂^-

Nitrite

NO₃^-

Nitrate

OH^-

Hydroxide

PO₄^-3

Phosphate

SCN^-

Thlocaynate

SO₃^-2

Sulfite

SO₄^-2

Sulfate

HSO₄^-

Hydrogen Sulfate

IO₃^-

Iodate

SeO₄^-2

Selenate

HSO₃^-

Hydrogen Sulfate

Fe

Iron (+2 -ou and +3 ic charge states)

Pb

Lead (+2 -ous and +4 ic charge states)

Sn

Tin (+2 -ous and +4 -ic charge states)

Hg

Mercury (+1 -ous and +2 ic charge states)

Cu

Copper (+1 -ous and +2 ic charge states)

Mono

One

Di

Two

Tri

Three

Tetra

Four

Penta

Five

Hexa

Six

Hepta

Seven

Octa

Eight

Nona

Nine

Deca

Ten