Polyatomic Ions

Question 1

Carbonate

Answer 1

CO3 2-

Question 2

Hydrogen Carbonate

Bicarbonate

Answer 2

HCO3 -

Question 3

Hydroxide

Answer 3

OH -

Question 4

Nitrate

Answer 4

NO3 -

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

Ammonium

Answer 10

NH4 +

Question 11

Hypochlorite

Answer 11

ClO -

Question 12

Chlorite

Answer 12

ClO2 -

Question 13

Chlorate

Answer 13

ClO3 -

Question 14

Perchlorate

Answer 14

ClO4 -

Question 15

Permanganate

Answer 15

MnO4 -

Question 16

Sulfate

Answer 16

SO4 2-

Question 17

Sulfite

Answer 17

SO3 2-

Question 18

Hydrogen sulfite

Bisulfite

Answer 18

HSO3 -

Question 19

Hydrogen sulfate

Bisulfate

Answer 19

HSO4 -

Question 20

Peroxide

Answer 20

O2 2-

Question 21

Cyanide

Answer 21

CN -

Question 22

Two Polyatomic Oxyanions in Series :

More Oxygen, Ends with ?
Less Oxygen, Ends with ?

Answer 22

More Oxygen ends with = -ate

Less Oxygen ends with = -ite

Question 23

More than two Polyatomic Oxyanions in the series:

One oxygen, starts with = ?
Two oxygen, ends with = ?
Three oxygen, ends with = ?
Four oxygen, starts with = ?

Answer 23

One oxygen, starts with = Hypo-

Two oxygen, ends with = -ite

Three oxygen, ends with = -ate

Four oxygen, starts with = Per-

Question 24

Acetate

Answer 24

C2H3O2 -