Polyatomic Ions

Question 1

NH4 +

Answer 1

ammonium

Question 2

H3O +

Answer 2

hydronium

Question 3

Hg2 2+

Answer 3

mercury (I)

mercurous

Question 4

HSO3 -

Answer 4

hydrogen sulfite

bisulfite

Question 5

HSO4 -

Answer 5

hydrogen sulfate

bisulfate

Question 6

NO2 -

Answer 6

nitrite

Question 7

NO3 -

Answer 7

nitrate

Question 8

OH -

Answer 8

hydroxide

Question 9

C2H3O2 -

or CH3COO -

Answer 9

acetate

Question 10

CN -

Answer 10

cyanide

Question 11

OCN -

Answer 11

cyanate

Question 12

SCN -

Answer 12

thiocyanate

Question 13

MnO4 -

Answer 13

permanganate

Question 14

ClO -

Answer 14

hypochlorite

Question 15

ClO2 -

Answer 15

chlorite

Question 16

ClO3 -

Answer 16

chlorate

Question 17

ClO4 -

Answer 17

perchlorate

Question 18

BrO -

Answer 18

hypobromite

Question 19

BrO2 -

Answer 19

bromite

Question 20

BrO3 -

Answer 20

bromate

Question 21

BrO4 -

Answer 21

perbromate

Question 22

IO -

Answer 22

hypoiodite

Question 23

IO2 -

Answer 23

iodite

Question 24

IO3 -

Answer 24

iodate

Question 25

IO4 -

Answer 25

periodate

Question 26

H2PO3 -

Answer 26

dihydrogen phosphite

Question 27

H2PO4 -

Answer 27

dihydrogen phosphate

Question 28

HCO3 -

Answer 28

hydrogen carbonate | bicarbonate

Question 29

SO3 2-

Answer 29

sulfite

Question 30

SO4 2-

Answer 30

sulfate

Question 31

S2O3 2-

Answer 31

thiosulfate

Question 32

C2O4 2-

Answer 32

oxalate

Question 33

CrO4 2-

Answer 33

chromate

Question 34

Cr2O7 2-

Answer 34

dichromate

Question 35

O2 2-

Answer 35

peroxide

Question 36

HPO3 2-

Answer 36

monohydrogen phosphite

Question 37

HPO4 2-

Answer 37

monohydrogen phosphate

Question 38

CO3 2-

Answer 38

carbonate

Question 39

PO3 3-

Answer 39

phosphite

Question 40

PO4 3-

Answer 40

phosphate

Question 41

PO2 3-

Answer 41

hypophosphite