Polyatomic Ions

Question 1

Ammonium

Answer 1

NH4+

Question 2

Acetate

Answer 2

CH3CO2-

Question 3

Oxalate

Answer 3

C2O4 ^2-

Question 4

Hydrogen Oxalate

Answer 4

HC2O4-

Question 5

Formate

Answer 5

HCO2-

Question 6

Cyanide

Answer 6

CN-

Question 7

Hydroxide

Answer 7

OH-

Question 8

Peroxide

Answer 8

O2^2-

Question 9

Superoxide

Answer 9

O2-

Question 10

Nitrate

Answer 10

NO3-

Question 11

Nitrite

Answer 11

NO2-

Question 12

Sulfate

Answer 12

SO4^2-

Question 13

Hydrogen Sulfate

Answer 13

HSO4-

Question 14

Sulfite

Answer 14

SO3^2-

Question 15

Hydrogen Sulfite

Answer 15

HSO3-

Question 16

Thiosulfate

Answer 16

S2O3^2-

Question 17

Hydrogen Thiosulfate

Answer 17

HS2O3-

Question 18

Phosphate

Answer 18

PO4^3-

Question 19

Hydrogen Phosphate

Answer 19

HPO4^2-

Question 20

Dihydrogen Phosphate

Answer 20

H2PO4-

Question 21

Carbonate

Answer 21

CO3^2-

Question 22

Hydrogen Carbonate

Answer 22

HCO3-

Question 23

Permanganate

Answer 23

MnO4-

Question 24

Chromate

Answer 24

CrO4^2-

Question 25

Dichromate

Answer 25

Cr2O7^2-

Question 26

Perchlorate

Answer 26

ClO4-

Question 27

Chlorate

Answer 27

ClO3-

Question 28

Chlorite

Answer 28

ClO2-

Question 29

Hypochlorite

Answer 29

ClO-

Question 30

Perbromate

Answer 30

BrO4-

Question 31

Bromate

Answer 31

BrO3-

Question 32

Bromite

Answer 32

BrO2-

Question 33

Hypobromite

Answer 33

BrO-

Question 34

Periodate

Answer 34

IO4-

Question 35

Iodate

Answer 35

IO3-

Question 36

Iodite

Answer 36

IO2-

Question 37

Hypoiodite

Answer 37

IO-