polyatomic ions

Question 1

What charge is C2H3O2- (acetate)

Answer 1

negative 1

Question 2

what charge is CO32- (carbonate)

Answer 2

negative 2

Question 3

what charge is HCO3- (hydrogen carbonate)

Answer 3

negative 1

Question 4

what charge is OH- (hydroxide)

Answer 4

negative 1

Question 5

what charge is NO2- (nitrite)

Answer 5

negative 1

Question 6

what charge is NO3- (nitrate)

Answer 6

negative 1

Question 7

what charge is CrO42- (chromate)

Answer 7

negative 2

Question 8

what charge is Cr2O72- (dichromate)

Answer 8

negative 2

Question 9

what charge is PO43- (phosphate)

Answer 9

negative 3

Question 10

what charge is HPO42- (hydrogen phosphate)

Answer 10

negative 2

Question 11

what charge is H2PO4-

Answer 11

negative 1

Question 12

what charge is NH4+ (ammonium)

Answer 12

positive 1

Question 13

what charge is CIO- (hypochlorite)

Answer 13

negative 1

Question 14

what charge is CIO2- (chlorite)

Answer 14

negative 1

Question 15

what charge is CIO3- (chlorate)

Answer 15

negative 1

Question 16

what charge is CIO4- (perchlorate)

Answer 16

negative 1

Question 17

what charge is MnO4- (permanganate)

Answer 17

negative 1

Question 18

what charge is SO32- (sulfite)

Answer 18

negative 2

Question 19

what charge is HSO3- (hydrogen sulfite)

Answer 19

negative 1

Question 20

what charge is CN- (cyanide)

Answer 20

negative 1

Question 21

what charge is O22- (peroxide)

Answer 21

negative 2