Polyatomic Ion List

Front 1

NO3 -

Back 1

Nitrate

Front 2

NO 2 -

Back 2

Nitrite

Front 3

CH 3 COO -

Back 3

Acetate

Front 4

SO4 2-

Back 4

Sulfate

Front 5

SO3 2-

Back 5

Sulfite

Front 6

HSO4 -

Back 6

Hydrogen Sulfate

Front 7

CO3 2-

Back 7

Carbonate

Front 8

HCO3 -

Back 8

Hydrogen Carbonate

Front 9

CIO-

Back 9

Hypochlorite

Front 10

CIO2 -

Back 10

Chlorite

Front 11

CIO3 -

Back 11

Chlorate

Front 12

CIO4 -

Back 12

Perchlorate

Front 13

CrO4 2-

Back 13

Chromate

Front 14

Cr2 O7 2-

Back 14

Dichromate

Front 15

PO4 3-

Back 15

Phosphate

Front 16

HPO4 2-

Back 16

Hydrogen Phosphate

Front 17

H2 PO4-

Back 17

Dihydrogen Phosphate

Front 18

PO3 3-

Back 18

Phosphite

Front 19

MnO4 -

Back 19

Permanganate

Front 20

O2 2-

Back 20

Peroxide

Front 21

OH-

Back 21

Hydroxide

Front 22

AsO4 3-

Back 22

Arsenate

Front 23

BrO3 -

Back 23

Bromate

Front 24

CN-

Back 24

Cyanide

Front 25

Hg2 2+

Back 25

Mercury (1)

Front 26

NH4 +

Back 26

Ammonium

Front 27

C2 O4 2-

Back 27

Oxalate