Polyatomic Ions

Question 1

NH₄⁺

Answer 1

Ammonium

Question 2

H₃O⁺

Answer 2

Hydronium

Question 3

C₂H₃O₂^–

Answer 3

Acetate

Question 4

CN^–

Answer 4

Cyanide

Question 5

N₃^–

Answer 5

Azide

Question 6

OH^–

Answer 6

Hydroxide

Question 7

NO₂^–

Answer 7

Nitrite

Question 8

NO₃^–

Answer 8

Nitrate

Question 9

ClO^–

Answer 9

Hypochlorite

Question 10

ClO₂^–

Answer 10

Chlorite

Question 11

ClO₃^–

Answer 11

Chlorate

Question 12

ClO₄^–

Answer 12

Perchlorate

Question 13

BrO^–

Answer 13

Hypobromite

Question 14

BrO₂^–

Answer 14

Bromite

Question 15

BrO₃^–

Answer 15

Bromate

Question 16

BrO₄^–

Answer 16

Perbromate

Question 17

IO^–

Answer 17

Hypoiodite

Question 18

IO₂^–

Answer 18

Iodite

Question 19

IO₃^–

Answer 19

Iodate

Question 20

IO₄^–

Answer 20

Periodate

Question 21

MnO₄^–

Answer 21

Permanganate

Question 22

HCO₃^–

Answer 22

Hydrogen carbonate (or Bicarbonate)

Question 23

HSO₃^–

Answer 23

Hydrogen sulfite (or Bisulfite)

Question 24

HSO₄^–

Answer 24

Hydrogen sulfate (or Bisulfate)

Question 25

H₂PO₄^–

Answer 25

Dihydrogen phosphate

Question 26

CO₃^2–

Answer 26

Carbonate

Question 27

SO₃^2–

Answer 27

Sulfite

Question 28

SO₄^2–

Answer 28

Sulfate

Question 29

CrO₄^2–

Answer 29

Chromate

Question 30

Cr₂O7^2–

Answer 30

Dichromate

Question 31

O₂^2–

Answer 31

Peroxide

Question 32

HPO₄^2–

Answer 32

Hydrogen phosphate (or Biphosphate)

Question 33

PO₃^3–

Answer 33

Phosphite

Question 34

PO₄^3–

Answer 34

Phosphate