Common Ion List

Front 1

Cr^3+

Back 1

Chromium(III) or chromic

Front 2

Mn^2+

Back 2

Manganese(II) or manganous

Front 3

Fe^2+

Back 3

Iron(II) or ferrous

Front 4

Fe^3+

Back 4

Iron(III) or ferric

Front 5

Co^2+

Back 5

Cobalt(II) or cobaltous

Front 6

Ni^2+

Back 6

Nickel(II) or nickel

Front 7

Cu^+

Back 7

Copper(I) or cuprous

Front 8

Cu^2+

Back 8

Copper(II) or cupric

Front 9

Zn^2+

Back 9

Zinc

Front 10

Ag^+

Back 10

Silver

Front 11

Cd^2+

Back 11

Cadmium

Front 12

Hg^2+

Back 12

Mercury(II) or mercuric

Front 13

Hg2^2+

Back 13

Mercury(I) or mercurous

Front 14

NH4^+

Back 14

Ammonium

Front 15

CN^-

Back 15

Cyanide

Front 16

CO3^2-

Back 16

Carbonate

Front 17

HCO3^2-

Back 17

Hydrogen carbonate or bicarbonate

Front 18

C2H3O2^-

Back 18

Acetate

Front 19

C2O4^2-

Back 19

Oxalate

Front 20

CO^-

Back 20

Hypochlorite

Front 21

ClO3^-

Back 21

Chlorate

Front 22

ClO4^-

Back 22

Perchlorate

Front 23

CrO4^2-

Back 23

Chromate

Front 24

Cr2O7^2-

Back 24

Dichromate

Front 25

MnO4^-

Back 25

Permanganate

Front 26

No2^-

Back 26

Nitrite

Front 27

NO3-

Back 27

Nitrate

Front 28

OH^-

Back 28

Hydroxide

Front 29

O2^2-

Back 29

Peroxide

Front 30

PO4^3-

Back 30

Phosphate

Front 31

HPO4°2-

Back 31

Monohydrogen phosphate

Front 32

H2PO4^-

Back 32

Dihydrogen Phosphate

Front 33

SO3^2-

Back 33

Sulfite

Front 34

SO4^2-

Back 34

Sulfate

Front 35

HSO3^-

Back 35

Hydrogen sulfide or bisulfate

Front 36

HSO4^-

Back 36

Hydrogen sulfate or bisulfate

Front 37

S2O3^2-

Back 37

Thiosulfate