Common Polyatomic Ions

Question 1

NH4+

Answer 1

ammonium

Question 2

H3O+

Answer 2

hydronium

Question 3

H2PO3-

Answer 3

dihydrogen phosphite

Question 4

H2PO4-

Answer 4

dihydrogen phosphate

Question 5

HCO3-

Answer 5

hydrogen carbonate

Question 6

HSO3-

Answer 6

hydrogen sulfite

Question 7

HSO4-

Answer 7

hydrogen sulfate

Question 8

NO2-

Answer 8

nitrite

Question 9

NO3-

Answer 9

nitrate

Question 10

OH-

Answer 10

hydroxide

Question 11

C2H3)2-

Answer 11

acetate

Question 12

CN-

Answer 12

cyanide

Question 13

MnO4-

Answer 13

permanganate

Question 14

HCO2-

Answer 14

formate

Question 15

SCN-

Answer 15

thiocyanate

Question 16

ClO-

Answer 16

hypochlorite

Question 17

ClO2-

Answer 17

chlorite

Question 18

ClO3-

Answer 18

chlorate

Question 19

ClO4-

Answer 19

perchlorate

Question 20

BrO-

Answer 20

hypobromite

Question 21

BrO2-

Answer 21

bromite

Question 22

BRO3-

Answer 22

bromate

Question 23

BrO4-

Answer 23

perbromate

Question 24

IO-

Answer 24

hypoiodite

Question 25

IO2-

Answer 25

iodite

Question 26

IO3-

Answer 26

iodate

Question 27

IO4-

Answer 27

periodate

Question 28

HPO32-

Answer 28

hydrogen phosphite

Question 29

HPO42-

Answer 29

hydrogen phosphate

Question 30

CO32-

Answer 30

carbonate

Question 31

SO32-

Answer 31

sulfite

Question 32

SO42-

Answer 32

sulfate

Question 33

S2O32-

Answer 33

thiosulfate

Question 34

SiO32-

Answer 34

silicate

Question 35

CrO42-

Answer 35

chromate

Question 36

Cr2O72-

Answer 36

dichromate

Question 37

O22-

Answer 37

peroxide

Question 38

MnO42-

Answer 38

manganate

Question 39

C2O42-

Answer 39

oxalate

Question 40

PO33-

Answer 40

phosphite

Question 41

PO43-

Answer 41

phosphate

Question 42

AsO33-

Answer 42

arsenite

Question 43

AsO43-

Answer 43

arsenate

Question 44

BO33-

Answer 44

borate