Common Polyatomic Ions

Question 1

Acetate

Answer 1

C2H3O2 -

Question 2

Ammonium

Answer 2

NH4 +

Question 3

Arsenate

Answer 3

AsO4 -3

Question 4

Arsentie

Answer 4

AsO3 -3

Question 5

Azide

Answer 5

N3 -

Question 6

Benzoate

Answer 6

C7H5O2 -

Question 7

Borate

Answer 7

BO3 -3

Question 8

Bromate

Answer 8

BrO3 -

Question 9

Carbonate

Answer 9

CO3 -2

Question 10

Chlorate

Answer 10

Clo -3

Question 11

Chlorite

Answer 11

Clo2 -

Question 12

Chromate

Answer 12

CrO4 -2

Question 13

Cyanide

Answer 13

CN -

Question 14

Dichromate

Answer 14

Cr2O7-2

Question 15

Dihydrogen phosphate

Answer 15

H2Po4 -

Question 16

Dihydrogen Phosphite

Answer 16

H2Po3 -

Question 17

Hydrogen Carbonate

Answer 17

HCO3-

Question 18

Hydrogen Phosphate

Answer 18

HPO4-2

Question 19

Hydrogen phosphite

Answer 19

HPO3 2-

Question 20

Hydrogen Sulfate

Answer 20

HSO4 -

Question 21

Hydrogen sulfide

Answer 21

HS -

Question 22

Hydrogen sulfite

Answer 22

HSO3 -

Question 23

Hydroxide

Answer 23

OH -

Question 24

Hypochlorite

Answer 24

Clo -

Question 25

Iodate

Answer 25

IO3 -

Question 26

Manganate

Answer 26

MnO4 2-

Question 27

Nitrate

Answer 27

NO3 -

Question 28

Nitrite

Answer 28

NO2 -

Question 29

Oxalate

Answer 29

C2O4 2-

Question 30

Perchlorate

Answer 30

Clo4 -

Question 31

Permanganate

Answer 31

MnO4 -

Question 32

Peroxide

Answer 32

O2 2-

Question 33

Phosphate

Answer 33

PO4 -3

Question 34

Phosphite

Answer 34

PO3 -3

Question 35

Silicate

Answer 35

SiO3 2-

Question 36

Sulfate

Answer 36

SO4 2-

Question 37

Sulfite

Answer 37

SO3 2-

Question 38

Tartrate

Answer 38

C4H4O6 2-

Question 39

Thiocyanate

Answer 39

SCN -

Question 40

Thiosulfate

Answer 40

S2O3 -2

Question 41

Ammonia

Answer 41

NH3