Polyatomic Anions and Cations

Question 1

Hydroxide

Answer 1

OH-

Question 2

Cyanide

Answer 2

CN-

Question 3

Acetate

Answer 3

C2H3O2-

Question 4

Permanganate

Answer 4

MnO4-

Question 5

cyanate

Answer 5

OCN-

Question 6

thiocyanate

Answer 6

SCN-

Question 7

nitrate

Answer 7

NO3-

Question 8

nitrite

Answer 8

NO2-

Question 9

perchlorate

Answer 9

ClO4-

Question 10

Chlorate

Answer 10

ClO3-

Question 11

chlorite

Answer 11

ClO2-

Question 12

hypochlorite

Answer 12

ClO-

Question 13

perbromate

Answer 13

BrO4-

Question 14

bromate

Answer 14

BrO3-

Question 15

bromite

Answer 15

BrO2-

Question 16

hypobromite

Answer 16

BrO-

Question 17

periodate

Answer 17

IO4-

Question 18

iodate

Answer 18

IO3-

Question 19

iodite

Answer 19

IO2-

Question 20

hypoiodite

Answer 20

IO-

Question 21

hydrogen carbonate (bicarbonate)

Answer 21

HCO3-

Question 22

hydrogen sulfate (bisulfate)

Answer 22

HSO4-

Question 23

hydrogen sulfite (bisulfite)

Answer 23

HSO3-

Question 24

dihydrogen phosphate

Answer 24

H2PO4-

Question 25

peroxide

Answer 25

O2 2-

Question 26

silicate

Answer 26

SiO3 2-

Question 27

Carbonate

Answer 27

CO3 2-

Question 28

oxalate

Answer 28

C2O4 2-

Question 29

sulfate

Answer 29

SO4 2-

Question 30

sulfite

Answer 30

SO3 2-

Question 31

thiosulfate

Answer 31

S2O3 2-

Question 32

chromate

Answer 32

CrO4 2-

Question 33

dichromate

Answer 33

Cr2O7 2-

Question 34

tungstate

Answer 34

WO4 2-

Question 35

hydrogen phosphate

Answer 35

HPO4 2-

Question 36

phosphate

Answer 36

PO4 3-

Question 37

phosphite

Answer 37

PO3 3-

Question 38

arsenate

Answer 38

AsO4 3-

Question 39

arsenite

Answer 39

AsO3 3-

Question 40

hydronium

Answer 40

H3O +

Question 41

mercury(I)

Answer 41

Hg2 2+

Question 42

ammonium

Answer 42

NH4+