Polyatomic Ions Table 4.4

Question 1

Acetate

Answer 1

C₂H₃O₂^-

Question 2

Carbonate

Answer 2

CO₃^2-

Question 3

Hydrogen Carbonate

Answer 3

HCO₃^-

Question 4

Hydroxide

Answer 4

OH^-

Question 5

Nitrite

Answer 5

NO₂^-

Question 6

Chromate

Answer 6

CrO₄^2-

Question 7

Dichromate

Answer 7

Cr₂O₇^2-

Question 8

Phosphate

Answer 8

PO₄^3-

Question 9

Hydrogen phosphate

Answer 9

HPO₄^2-

Question 10

Dihydrogen Phosphate

Answer 10

H₂PO₄^-

Question 11

Ammonium

Answer 11

NH₄⁺

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-