P Is

Front 1

C2H3O2−

Back 1

Acetate

Front 2

HCO3-

Back 2

Hydrogen carbonate
(bicarbonate)

Front 3

NO2-

Back 3

Nitrite

Front 4

NO3-

Back 4

Nitrate

Front 5

CN-

Back 5

Cyanide

Front 6

OH-

Back 6

Hydroxide

Front 7

HSO3-

Back 7

Hydrogen Sulfite

Front 8

MnO4-

Back 8

Permanganate

Front 9

ClO-

Back 9

Hypochlorite

Front 10

ClO2-

Back 10

Chlorite

Front 11

ClO3-

Back 11

Chlorate

Front 12

ClO4-

Back 12

Perchlorate

Front 13

HPO4-2

Back 13

Hydrogen Phosphate

Front 14

SO3-2

Back 14

Sulfite

Front 15

SO4-2

Back 15

Sulfate

Front 16

CO3-2

Back 16

Carbonate

Front 17

CrO4-2

Back 17

Chromate

Front 18

Cr2O7-2

Back 18

Dichromate

Front 19

PO4-3

Back 19

Phosphate

Front 20

NH4+1

Back 20

Ammonium

Front 21

HSO4-

Back 21

Hydrogen Sulfate

Front 22

O2-2

Back 22

Peroxide