Table 5.1 important polyatomic ions

Question 1

Ammonium

Answer 1

NH4^+

Question 2

Hydroxide

Answer 2

OH^-

Question 3

Chlorate

Answer 3

ClO3^-

Question 4

Chlorite

Answer 4

ClO2^-

Question 5

Nitrate

Answer 5

NO3^-

Question 6

Nitrite

Answer 6

NO2^-

Question 7

Acetate

Answer 7

C2H3O2^-

Question 8

Cyanide

Answer 8

CN^-

Question 9

Carbonate

Answer 9

CO3^2-

Question 10

Chromate

Answer 10

CrO4^2-

Question 11

Dichromate

Answer 11

CrO7^2-

Question 12

Sulfate

Answer 12

SO4^2-

Question 13

Sulfite

Answer 13

SO3^2-

Question 14

Phosphate

Answer 14

PO4^3-

Question 15

How many Polyatomic ions are positive

Answer 15

One, only ammonium