Polyatomic ions

Question 1

Acetate

Answer 1

C₂H₂O₂^-

Question 2

Arsenate

Answer 2

AsO₄^3-

Question 3

Borate

Answer 3

BO₃^3-

Question 4

Tetraborate

Answer 4

B₄O₇^2-

Question 5

Bromide

Answer 5

Br^-

Question 6

Hypobromite

Answer 6

BrO^-

Question 7

Bromate

Answer 7

BrO₃^-

Question 8

Carbonate

Answer 8

CO₃^2-

Question 9

Bicarbonate; Hydrogen carbonate

Answer 9

HCO₃^-

Question 10

Chloride

Answer 10

Cl^-

Question 11

Hypochlorite

Answer 11

ClO^-

Question 12

Chlorite

Answer 12

ClO₂^-

Question 13

Chlorate

Answer 13

ClO₃^-

Question 14

Perchlorate

Answer 14

ClO₄^-

Question 15

Chromate

Answer 15

CrO₄^2-

Question 16

Dichromate

Answer 16

Cr₂O₇^2-

Question 17

Citrate

Answer 17

C₆H₅O₇^3-

Question 18

Cyanide

Answer 18

CN^-

Question 19

Fluoride

Answer 19

F^-

Question 20

Hydride

Answer 20

H^-

Question 21

Hydroxide

Answer 21

OH^-

Question 22

Iodide

Answer 22

I^-

Question 23

Periodate

Answer 23

IO₄^-

Question 24

Molybdate

Answer 24

MoO₄^2-

Question 25

Nitride

Answer 25

N^3-

Question 26

Nitrite

Answer 26

NO₂^-

Question 27

Nitrate

Answer 27

NO₃^-

Question 28

Oxalate

Answer 28

C₂O₄^2-

Question 29

Oxide

Answer 29

O^2-

Question 30

Peroxide

Answer 30

H₂O₂^2-

Question 31

Permanganate

Answer 31

MnO₄^2-

Question 32

Phosphide

Answer 32

P^3-

Question 33

Phosphate

Answer 33

PO₄^3-

Question 34

Hydrogen phosphate

Answer 34

HPO₄^2-

Question 35

Dihydrogen phosphate

Answer 35

H₂PO₄^1-

Question 36

Selenide

Answer 36

Se^2-

Question 37

Sulfide

Answer 37

S^2-

Question 38

Sulfite

Answer 38

SO₃^2-

Question 39

Sulfate

Answer 39

SO₄^2-

Question 40

Bisulfite; hydrogen sulfite

Answer 40

HSO₃^-

Question 41

Bisulfate; hydrogen sulfate

Answer 41

HSO₄^-

Question 42

Thiosulfate

Answer 42

S₂O₃^2-

Question 43

Thiocyanate

Answer 43

SCN^-

Question 44

Ammonium

Answer 44

NH₄⁺