Anions to Memorize

Question 1

Acetate

Answer 1

C₂H₃O₂^-

Question 2

Carbonate

Answer 2

CO₃^2-

Question 3

Hydrogen Carbonate (bicarbonate)

Answer 3

HCO₃^-

Question 4

Hydroxide

Answer 4

OH^-

Question 5

Nitrite

Answer 5

NO₂^-

Question 6

Nitrate

Answer 6

NO₃^-

Question 7

Chromate

Answer 7

CrO₄^2-

Question 8

Dichromate

Answer 8

Cr₂O₇^2-

Question 9

Phosphate

Answer 9

PO₄^3-

Question 10

Hydrogen Phosphate

Answer 10

HPO₄^2-

Question 11

Dihydrogen phosphate

Answer 11

H₂PO₄^-

Question 12

Hypochlorite

Answer 12

ClO^-

Question 13

Chlorite

Answer 13

ClO₂^-

Question 14

Chlorate

Answer 14

ClO₃^-

Question 15

Perchlorate

Answer 15

ClO₄^-

Question 16

Permanganate

Answer 16

MnO₄^-

Question 17

Sulfite

Answer 17

SO₃^2-

Question 18

Hydrogen sulfite (or bisulfite)

Answer 18

HSO₃^-

Question 19

Sulfate

Answer 19

SO₄^2-

Question 20

Hydrogen sulfate (bisulfate)

Answer 20

HSO₄^-

Question 21

Cyanide

Answer 21

CN^-

Question 22

Peroxide

Answer 22

O₂^2-

Question 23

Nitride

Answer 23

N^3-

Question 24

Sulfide

Answer 24

S^2-

Question 25

Oxide

Answer 25

O^2-

Question 26

Fluoride

Answer 26

F^-

Question 27

Chloride

Answer 27

Cl^-

Question 28

Bromide

Answer 28

Br^-

Question 29

Iodide

Answer 29

I^-

Question 30

Oxalate

Answer 30

C₂O₄^2-