Polyatomic Ions

Question 1

Hydroxide

Answer 1

OH - Charge: -1

Question 2

Nitrate

Answer 2

NO3 - Charge: -1

Question 3

Nitrite

Answer 3

NO2 - Charge: -1

Question 4

Sulfate

Answer 4

SO4 - Charge: -2

Question 5

Sulfite

Answer 5

SO3 - Charge: -2

Question 6

Phospate

Answer 6

PO4 - Charge: -3

Question 7

Ammonium

Answer 7

NH4 - Charge: +1

Question 8

Carbonate

Answer 8

CO3 - Charge: -2

Question 9

Hydrogen Carbonate (also known as bicarbonate)

Answer 9

HCO3 - Charge: -1

Question 10

Chromate

Answer 10

CrO4 - Charge: -2

Question 11

Dichromate

Answer 11

Cr2O7 - Charge: -2

Question 12

Permanganate

Answer 12

MnO4 - Charge: -1

Question 13

Acetate

Answer 13

CH3COO or C2H3O2 - Charge: -1

Question 14

Cyanide

Answer 14

CN - Charge: -1

Question 15

Cyanate

Answer 15

OCN - Charge: -1

Question 16

Bisulfate (also known as hydrogen sulfate)

Answer 16

HSO4 - Charge: -1

Question 17

Chlorate

Answer 17

CIO3 - Charge: -1

Question 18

Chlorite

Answer 18

CIO2 - Charge: -1

Question 19

Hypochlorite

Answer 19

CIO - Charge: -1

Question 20

Phosphite

Answer 20

PO3 - Charge: -3

Question 21

Iodate

Answer 21

IO3 - Charge: -1

Question 22

Iodite

Answer 22

IO2 - Charge: -1

Question 23

hydrogen sulfate

Answer 23

HSO4 - Charge: -1

Question 24

Hydrogen phosphate

Answer 24

HPO4 - Charge: -2

Question 25

Dihydrogen phosphate

Answer 25

H2PO4 - Charge: -1

Question 26

Perchlorate

Answer 26

ClO4 - Charge: -1

Question 27

Peroxide

Answer 27

O2 - Charge: -2

Question 28

Bromate

Answer 28

BrO3 - Charge: -1