Polyatomic Ions

Front 1

Cyanide

Back 1

CN-

Front 2

Thiocyanate

Back 2

SCN-

Front 3

Hydroxide

Back 3

OH-

Front 4

Nitrate

Back 4

NO3-

Front 5

Nitrite

Back 5

NO2-

Front 6

Acetate

Back 6

C2H3O2-

Front 7

Perchlorate

Back 7

ClO4-

Front 8

Permanganate

Back 8

MnO4-

Front 9

Chlorate

Back 9

ClO3-

Front 10

Chlorite

Back 10

ClO2-

Front 11

Hypochlorite

Back 11

ClO-

Front 12

Hydrogencarbonate

Back 12

HCO3-

Front 13

Bicarbonate

Back 13

HCO3-

Front 14

Hydrogensulfate

Back 14

HSO4-

Front 15

Bisulfate

Back 15

HSO4-

Front 16

Carbonate

Back 16

CO3 2-

Front 17

Oxalate

Back 17

C2O4 2-

Front 18

Sulfate

Back 18

SO4 2-

Front 19

Sulfite

Back 19

SO3 2-

Front 20

Phthalate

Back 20

C8H4O4 2-

Front 21

Chromate

Back 21

CrO4 2-

Front 22

Dichromate

Back 22

Cr2O7 2-

Front 23

Peroxide

Back 23

O2 2-

Front 24

Phosphate

Back 24

PO4 3-

Front 25

Phosphite

Back 25

PO3 3-

Front 26

Arsenate

Back 26

AsO4 3-

Front 27

Ammonium

Back 27

NH4 +

Front 28

Mercury (1)

Back 28

Hg2 2+