Common Polyatomic Ion names + formulae

Question 1

OH -

Answer 1

Hydroxide

Question 2

H3O+

Answer 2

Hydronium

Question 3

NH4+

Answer 3

Ammonium

Question 4

NO3^–

Answer 4

Nitrate

Question 5

NO2^–

Answer 5

Nitrite

Question 6

CIO3^–

Answer 6

Chlorate

Question 7

CIO2^–

Answer 7

Chlorite

Question 8

CO3^2–

Answer 8

Carbonate

Question 9

HCO3^–

Answer 9

Hydrogen carbonate (BICARBONATE!!)

Question 10

CN^–

Answer 10

Cyanide

Question 11

C2H3O2^–

Answer 11

Acetate

Question 12

C3H5O3^–

Answer 12

Lactate

Question 13

SO4^2–

Answer 13

Sulfate

Question 14

HSO4^–

Answer 14

Hydrogen sulfate (or bisulfate)

Question 15

SO3^2–

Answer 15

Sulfite

Question 16

HSO3^–

Answer 16

Hydrogen sulfite (or bisulfite)

Question 17

PO4^3–

Answer 17

Phosphate

Question 18

HPO4^2–

Answer 18

Hydrogen Phosphate

Question 19

H2PO4^–

Answer 19

Dihydrogen Phosphate

Question 20

PO3^3–

Answer 20

Phosphite

Question 21

MnO4^–

Answer 21

Permanganate