Polyatomic Ions

Question 1

Ammonium

Answer 1

NH4 +

Question 2

Hypobromite

Answer 2

BrO -

Question 3

Bromite

Answer 3

BrO2 -

Question 4

Bromate

Answer 4

BrO3 -

Question 5

Perbromate

Answer 5

BrO4 -

Question 6

Carbonate

Answer 6

CO3 2-

Question 7

Hydrogen carbonate (bicarbonate)

Answer 7

HCO3 -

Question 8

Oxalate

Answer 8

C2O4 2-

Question 9

Hydrogen oxalate

Answer 9

HC2O4 -

Question 10

Hypochlorite

Answer 10

ClO -

Question 11

Chlorite

Answer 11

ClO2 -

Question 12

Chlorate

Answer 12

ClO3 -

Question 13

Perchlorate

Answer 13

ClO4 -

Question 14

Chromate

Answer 14

CrO4 2-

Question 15

Dichromate

Answer 15

Cr2O7 2-

Question 16

Cyanide

Answer 16

CN -

Question 17

Thiocyanate

Answer 17

SCN -

Question 18

Acetate

Answer 18

C2H3O2 -

Question 19

Hydroxide

Answer 19

OH -

Question 20

Hypoiodite

Answer 20

IO -

Question 21

Iodite

Answer 21

IO2 -

Question 22

Iodate

Answer 22

IO3 -

Question 23

Periodate

Answer 23

IO4 -

Question 24

Permanganate

Answer 24

MnO4 -

Question 25

Nitrite

Answer 25

NO2 -

Question 26

Nitrate

Answer 26

NO3 -

Question 27

Peroxide

Answer 27

O2 2-

Question 28

Phosphite

Answer 28

PO3 3-

Question 29

Phosphate

Answer 29

PO4 3-

Question 30

Hydrogen phosphate

Answer 30

HPO4 2-

Question 31

Dihydrogen phosphate

Answer 31

H2PO4 -

Question 32

Sulfite

Answer 32

SO3 2-

Question 33

Hydrogen sulfite (bisulfite)

Answer 33

HSO3 -

Question 34

Sulfate

Answer 34

SO4 2-

Question 35

Hydrogen sulfate (bisulfate)

Answer 35

HSO4 -

Question 36

Thiosulfate

Answer 36

S2O3 2-