Common Ions (Name to Formula)

Question 1

Hydrogen Sulfate

Answer 1

HSO₄^-

Question 2

Carbonate

Answer 2

CO₃^2-

Question 3

Hypoiodite

Answer 3

IO^-

Question 4

Ammonium

Answer 4

NH₄⁺

Question 5

Bromate

Answer 5

BrO₃^-

Question 6

Bicarbonate

Answer 6

HCO₃^-

Question 7

Iodite

Answer 7

IO₂^-

Question 8

Phosphate

Answer 8

PO₄^3-

Question 9

Iodate

Answer 9

IO₃^-

Question 10

Sulfite

Answer 10

SO₃^2-

Question 11

Hydroxide

Answer 11

OH^-

Question 12

Borate

Answer 12

BO₃^3-

Question 13

Nitrite

Answer 13

NO₂^-

Question 14

Acetate

Answer 14

C₂H₃O₂^-

or

CH₃COO^-

Question 15

Perchlorate

Answer 15

ClO₄^-

Question 16

Bromite

Answer 16

BrO₂^-

Question 17

Hypochlorite

Answer 17

ClO^-

Question 18

Nitrate

Answer 18

NO₃^-

Question 19

Chlorate

Answer 19

ClO₃^-

Question 20

Periodate

Answer 20

IO₄^-

Question 21

Oxalate

Answer 21

C₂O₄^2-

Question 22

Sulfate

Answer 22

SO₄^2-

Question 23

Bisulfate

Answer 23

HSO₄^-

Question 24

Ethanoate

Answer 24

C₂H₃O₂^-

or

CH₃COO^-

Question 25

Thiosulfate

Answer 25

S₂O₃^2-

Question 26

Cyanide

Answer 26

CN^-

Question 27

Peroxide

Answer 27

O₂^2-

Question 28

Amide

Answer 28

NH₂^-

Question 29

Hydrogen Phosphate

Answer 29

HPO₄^2-

Question 30

Chlorite

Answer 30

ClO₂^-

Question 31

Chromate

Answer 31

CrO₄^2-

Question 32

Dihydrogen Phosphate

Answer 32

H₂PO₄^-

Question 33

Thiocyanate

Answer 33

NCS^-

or

SCN^-

Question 34

Hypobromite

Answer 34

BrO^-

Question 35

Perbromate

Answer 35

BrO₄^-

Question 36

Dichromate

Answer 36

Cr₂O₇^2-

Question 37

Permanganate

Answer 37

MnO₄^-

Question 38

What is the charge of silver?

Answer 38

Ag⁺

Question 39

What is the charge of Zinc?

Answer 39

Zn²⁺

Question 40

Write the formula for a mercury (I) ion.

Answer 40

Hg₂²⁺

Question 41

Hydrogen Carbonate

Answer 41

HCO₃^-