Common Polyatomic Ions

Question 1

NH4^+

Answer 1

Ammonium

Question 2

AsO4^3-

Answer 2

Arsenate

Question 3

AsO3^3-

Answer 3

Arsenite

Question 4

N3^-

Answer 4

Azide

Question 5

C7H5O2^-

Answer 5

Benzoate

Question 6

BO3^3-

Answer 6

Borate

Question 7

BrO3^-

Answer 7

Bromate

Question 8

CO3^2-

Answer 8

Carbonate

Question 9

ClO3^-

Answer 9

Chlorate

Question 10

ClO2^-

Answer 10

Chlorite

Question 11

CrO4^2-

Answer 11

Chromate

Question 12

CN^-

Answer 12

Cyanide

Question 13

Cr2O7^2-

Answer 13

Dichromate

Question 14

OH^-

Answer 14

Hydroxide

Question 15

ClO^-

Answer 15

Hypochlorite

Question 16

IO3^-

Answer 16

Iodate

Question 17

MnO4^2-

Answer 17

Manganate

Question 18

NO3^-

Answer 18

Nitrate

Question 19

NO2^-

Answer 19

Nitrite

Question 20

C2O4^2-

Answer 20

Oxalate

Question 21

ClO4^-

Answer 21

Perchlorate

Question 22

MnO4^-

Answer 22

Permanganate

Question 23

O2^2-

Answer 23

Peroxide

Question 24

PO4^3-

Answer 24

Phosphate

Question 25

PO3^3-

Answer 25

Phosphite

Question 26

SiO3^2-

Answer 26

Silicate

Question 27

SO4^2-

Answer 27

Sulfate

Question 28

SO3^2-

Answer 28

Sulfite

Question 29

C4H4O6^2-

Answer 29

Tartrate

Question 30

SCN^-

Answer 30

Thiocyanate

Question 31

S2O3^2-

Answer 31

Thiosulfate

Question 32

C2H3O2^-

Answer 32

Acetate