Common Ions

Question 1

Bicarbonate

Answer 1

HCO₃^-

Question 2

Ammonium

Answer 2

NH₄⁺

Question 3

Chlorite

Answer 3

ClO₂^-

Question 4

Sulfate

Answer 4

SO₄^2-

Question 5

Hydronium

Answer 5

H₃O⁺

Question 6

Hypochlorite

Answer 6

ClO^-

Question 7

Dichromate

Answer 7

Cr₂O₇^2-

Question 8

Nitrite

Answer 8

NO₂^-

Question 9

Superoxide

Answer 9

O₂^-

Question 10

Zinc

Answer 10

Zn²⁺

Question 11

Chromate

Answer 11

CrO₄^2-

Question 12

Mercury (II)

Answer 12

Hg²⁺

Question 13

Peroxide

Answer 13

O₂^2-

Question 14

Silver

Answer 14

Ag⁺

Question 15

Iodate

Answer 15

IO₃^-

Question 16

Dihydrogen phosphate

Answer 16

H₂PO₄^-

Question 17

Nitrate

Answer 17

NO₃^-

Question 18

Bisulfite

Answer 18

HSO₃^-

Question 19

Carbonate

Answer 19

CO₃^2-

Question 20

Phosphate

Answer 20

PO₄^3-

Question 21

Mercury (I)

Answer 21

Hg₂²⁺

Question 22

Permanganate

Answer 22

MnO₄^-

Question 23

Hydroxide

Answer 23

OH^-

Question 24

Hydrogen Phosphate

Answer 24

HPO₄^2-

Question 25

Oxalate

Answer 25

C₂O₄^2-

Question 26

Hydrogen

Answer 26

H⁺

Question 27

Bisulfate

Answer 27

HSO₄^-

Question 28

Perchlorate

Answer 28

ClO₄^-

Question 29

Acetate

Answer 29

C₂H₃O₂^-

Question 30

Sulfite

Answer 30

SO₃^2-

Question 31

Chlorate

Answer 31

ClO₃^-

Question 32

Hydride

Answer 32

H^-