Common Polyatomic Ions

Question 1

Ammonium

Answer 1

NH₄⁺

Question 2

Hydroxide

Answer 2

OH^-

Question 3

Azide

Answer 3

N₃^-

Question 4

Cyanide

Answer 4

CN^-

Question 5

Permanganate

Answer 5

MnO₄^-

Question 6

Hypobromite

Answer 6

BrO^-

Question 7

Acetate

Answer 7

C₂H₃O₂^-

Question 8

Bromate

Answer 8

BrO₃^-

Question 9

Iodate

Answer 9

IO₃^-

Question 10

Bicarbonate

Answer 10

HCO₃^-

Question 11

Bisulfate

Answer 11

HSO₄^-

Question 12

Bisulfite

Answer 12

HSO₃^-

Question 13

Dihydrogen Phosphate

Answer 13

H₂PO₄^-

Question 14

Perchlorate

Answer 14

ClO₄^-

Question 15

Chlorate

Answer 15

ClO₃^-

Question 16

Chlorite

Answer 16

ClO₂^-

Question 17

Hypochlorite

Answer 17

ClO^-

Question 18

Nitrate

Answer 18

NO₃

Question 19

Nitrite

Answer 19

NO₂^-

Question 20

Thiocynate

Answer 20

SCN^-

Question 21

Superoxide

Answer 21

O₂^-

Question 22

Peroxide

Answer 22

O₂^2-

Question 23

Oxalate

Answer 23

C₂O₄^2-

Question 24

Carbonate

Answer 24

CO₃^2-

Question 25

Chromate

Answer 25

CrO₄^2-

Question 26

Dichromate

Answer 26

Cr₂O₇^2-

Question 27

Sulfate

Answer 27

SO₄^2-

Question 28

Sulfite

Answer 28

SrO₃^2-

Question 29

Phosphate

Answer 29

PO₄^3-

Question 30

Phosphite

Answer 30

PO₃^3-