Polyatomic Ions

Question 1

Ammonium

Answer 1

NH4⁺

Question 2

Hydronium

Answer 2

H₃O⁺

Question 3

Acetate

Answer 3

C₂H₃O₂^-

Question 4

Amide

Answer 4

NH₂^-

Question 5

Hypobromite

Answer 5

BrO^-

Question 6

Bromite

Answer 6

BrO₂^-

Question 7

Bromate

Answer 7

BrO₃^-

Question 8

Perbromate

Answer 8

BrO₄^-

Question 9

Cyanide

Answer 9

CN^-

Question 10

Hypochlorite

Answer 10

ClO^-

Question 11

Chlorite

Answer 11

ClO₂^-

Question 12

Chlorate

Answer 12

ClO₃^-

Question 13

Perchlorate

Answer 13

ClO₄^-

Question 14

Dihydrogen Phosphate

Answer 14

H₂PO₄^-

Question 15

Hydrogen Carbonate (Bicarbonate)

Answer 15

HCO₃^-

Question 16

Hydrogen Oxalate

Answer 16

HC₂O₄^-

Question 17

Hydrogen Sulfate (Bisulfate)

Answer 17

HSO₄^-

Question 18

Hydrogen Sulfite (Bisulfite)

Answer 18

HSO₃^-

Question 19

Hydroxide

Answer 19

OH^-

Question 20

Hypoiodite

Answer 20

IO^-

Question 21

Iodite

Answer 21

IO₂^-

Question 22

Iodate

Answer 22

IO₃^-

Question 23

Periodate

Answer 23

IO₄^-

Question 24

Permanganate

Answer 24

MnO₄^-

Question 25

Nitrate

Answer 25

NO₃^-

Question 26

Nitrite

Answer 26

NO₂^-

Question 27

Thiocyanate

Answer 27

SCN^-

Question 28

Carbonate

Answer 28

CO₃^2-

Question 29

Chromate

Answer 29

CrO₄^2-

Question 30

Dichromate

Answer 30

Cr₂O₇^2-

Question 31

Hexafluorosilicate

Answer 31

SiF₆^2-

Question 32

Hydrogen Phosphate

Answer 32

HPO₄^2-

Question 33

Oxalate

Answer 33

C₂O₄^2-

Question 34

Peroxide

Answer 34

O₂^2-

Question 35

Selenate

Answer 35

SeO₄^2-

Question 36

Silicate

Answer 36

SiO₃^2-

Question 37

Sulfate

Answer 37

SO₄^2-

Question 38

Sulfite

Answer 38

SO₃^2-

Question 39

Tartrate

Answer 39

C₄H₄O₆^2-

Question 40

Tetraborate

Answer 40

B₄O₇^2-

Question 41

Thiosulfate

Answer 41

S₂O₃^2-

Question 42

Arsenate

Answer 42

AsO₄^3-

Question 43

Borate

Answer 43

BO₃^3-

Question 44

Phosphate

Answer 44

PO₄^3-

Question 45

Phosphite

Answer 45

PO₃^3-