Polyatomic ions

Question 1

What is the symbol and charge for the hydroxide polyatomic ion?

Answer 1

OH-, hydroxide, charge -1

Question 2

What is the symbol and charge for the ammonium polyatomic ion?

Answer 2

NH4+, ammonium, charge +1

Question 3

What is the symbol and charge for the nitrate polyatomic ion?

Answer 3

NO3-, nitrate, charge -1

Question 4

What is the symbol and charge for the sulfate polyatomic ion?

Answer 4

SO4^2-, sulfate, charge -2

Question 5

What is the symbol and charge for the carbonate polyatomic ion?

Answer 5

CO3^2-, carbonate, charge -2

Question 6

What is the symbol and charge for the phosphate polyatomic ion?

Answer 6

PO4^3-, phosphate, charge -3

Question 7

What is the symbol and charge for the hydrogen carbonate (bicarbonate) polyatomic ion?

Answer 7

HCO3-, hydrogen carbonate (bicarbonate), charge -1

Question 8

What is the symbol and charge for the cyanide polyatomic ion?

Answer 8

CN-, cyanide, charge -1

Question 9

What is the symbol and charge for the acetate polyatomic ion?

Answer 9

C2H3O2-, acetate, charge -1
Or CH3COO-

Question 10

What is the symbol and charge for the perchlorate polyatomic ion?

Answer 10

ClO4-, perchlorate, charge -1

Question 11

What is the symbol and charge for the chlorate polyatomic ion?

Answer 11

ClO3-, chlorate, charge -1

Question 12

What is the symbol and charge for the chlorite polyatomic ion?

Answer 12

ClO2-, chlorite, charge -1

Question 13

What is the symbol and charge for the hypochlorite polyatomic ion?

Answer 13

ClO-, hypochlorite, charge -1

Question 14

What is the symbol and charge for the chromate polyatomic ion?

Answer 14

CrO4^2-, chromate, charge -2

Question 15

What is the symbol and charge for the nitrite polyatomic ion?

Answer 15

NO2-, nitrite, charge -1

Question 16

What is the symbol and charge for the permanganate polyatomic ion?

Answer 16

MnO4-, permanganate, charge -1

Question 17

What is the symbol and charge for the hydrogen sulfate (bisulfate) polyatomic ion?

Answer 17

HSO4-, hydrogen sulfate (bisulfate), charge -1

Question 18

What is the symbol and charge for the dihydrogen phosphate polyatomic ion?

Answer 18

H2PO4-, dihydrogen phosphate, charge -1

Question 19

What is the symbol and charge for the hydrogen phosphate polyatomic ion?

Answer 19

HPO4^2-, hydrogen phosphate, charge -2

Question 20

What is the symbol and charge for the bisulfite (hydrogen sulfite) polyatomic ion?

Answer 20

HSO3-, bisulfite (hydrogen sulfite), charge -1

Question 21

What is the symbol and charge for the sulfite polyatomic ion?

Answer 21

SO3^2-, thiosulfate, charge -2

Question 22

What is the symbol and charge for the peroxide polyatomic ion?

Answer 22

O2^2-, hypochromite, charge -2

Question 23

What is the symbol and charge for the oxalate polyatomic ion?

Answer 23

C2O4^2-, oxalate, charge -2

Question 24

What is the symbol and charge for the bisulfide polyatomic ion?

Answer 24

HS-, bisulfide, charge -1

Question 25

What is the symbol and charge for the phosphite polyatomic ion?

Answer 25

PO3^3-