Polyatomic Ions

Question 1

Hydroxide

Answer 1

[OH]-

Question 2

Hydronium

Answer 2

[H3O]+

Question 3

Ammonium

Answer 3

[NH4]+

Question 4

Nitrate

Answer 4

[NO3]-

Question 5

Nitrite

Answer 5

[NO2]-

Question 6

Hyponitrite

Answer 6

[NO]-

Question 7

Pernitrate

Answer 7

[NO4]-

Question 8

Carbonate

Answer 8

[CO3]2-

Question 9

Carbonite

Answer 9

[CO2]2-

Question 10

Hypocarbonite

Answer 10

[CO]2-

Question 11

Percarbonate

Answer 11

[CO4]2-

Question 12

Phosphate

Answer 12

[PO4]3-

Question 13

Phosphite

Answer 13

[PO3]3-

Question 14

Hypophosphite

Answer 14

[PO2]3-

Question 15

Perphosphate

Answer 15

[PO5]3-

Question 16

Sulfate

Answer 16

[SO4]2-

Question 17

Sulfite

Answer 17

[SO3]2-

Question 18

Hyposulfite

Answer 18

[SO2]2-

Question 19

Perchlorate

Answer 19

[SO5]2-

Question 20

Chlorate

Answer 20

[ClO3]-

Question 21

Chlorite

Answer 21

[ClO2]-

Question 22

Hypochlorite

Answer 22

[ClO]-

Question 23

Perchlorate

Answer 23

[ClO4]-

Question 24

Arsenate

Answer 24

[AsO4]3-

Question 25

Arsenite

Answer 25

[AsO3]3-

Question 26

Hypoarsenite

Answer 26

[AsO2]3-

Question 27

Perarsenate

Answer 27

[AsO5]3-

Question 28

Selenate

Answer 28

[SeO4]2-

Question 29

Selenite

Answer 29

[SeO3]2-

Question 30

Hyposelenite

Answer 30

[SeO2]2-

Question 31

Perselenate

Answer 31

[SeO5]2-

Question 32

Bromate

Answer 32

[BrO3]-

Question 33

Bromite

Answer 33

[BrO2]-

Question 34

Hypobromite

Answer 34

[BrO]-

Question 35

Perbromate

Answer 35

[BrO4]-

Question 36

Tellurate

Answer 36

[TeO4]2-

Question 37

Tellurite

Answer 37

[TeO3]2-

Question 38

Hypotellurite

Answer 38

[TeO2]2-

Question 39

Pertellurate

Answer 39

[TeO5]2-

Question 40

Iodate

Answer 40

[IO3]-

Question 41

Iodite

Answer 41

[IO2]-

Question 42

Hypoiodite

Answer 42

[IO]-

Question 43

Periodate

Answer 43

[IO4]-

Question 44

Acetate

Answer 44

[C2H3O2]- or [CH2COO]-