Polyatomic Anions

Question 1

OH-

Answer 1

hydroxide

Question 2

CN-

Answer 2

cyanide

Question 3

O₂^2-

Answer 3

peroxide

Question 4

C₂O₄^2-

Answer 4

oxalate

Question 5

CO₃^2-

Answer 5

carbonate

Question 6

NO₂^-

Answer 6

nitrite

Question 7

NO₃^-

Answer 7

nitrate

Question 8

PO₃^3-

Answer 8

phosphite

Question 9

PO₄^3-

Answer 9

phosphate

Question 10

SO₃^2-

Answer 10

sulfite

Question 11

SO₄^2-

Answer 11

sulfate

Question 12

S₂O₃^2-

Answer 12

thiosulfate

Question 13

CIO-

Answer 13

hypochlorite

Question 14

CIO₂^-

Answer 14

chlorite

Question 15

CIO₃^-

Answer 15

chlorate

Question 16

CIO₄^-

Answer 16

perichlorate

Question 17

CH₃COO^{- or}

C₂H₃O₂^-

Answer 17

acetate

Question 18

AsO₄^3-

Answer 18

arsenate

Question 19

BO₃^3-

Answer 19

borate

Question 20

SiO₃^2-

Answer 20

silicate

Question 21

MnO₄^-

Answer 21

permangate

Question 22

CrO₄^2-

Answer 22

chromate

Question 23

Cr₂O₇^2-

Answer 23

dichroamte

Question 24

CHO₂^-

Answer 24

formate

Question 25

HCO₃^-

Answer 25

Hydrogen carbonate or bicarbonate

Question 26

HSO₃^-

Answer 26

hydrogen sufate or bisulfate

Question 27

HPO₄^2-

Answer 27

hydrogen phosphate

Question 28

H₂PO₄^-

Answer 28

dihydrogen phosphate

Question 29

hydroxide

Answer 29

OH-

Question 30

cyanide

Answer 30

CN-

Question 31

peroxide

Answer 31

O₂^2-

Question 32

oxalate

Answer 32

C₂O₄^2-

Question 33

carbonate

Answer 33

CO₃^2-

Question 34

nitrite

Answer 34

NO₂^-

Question 35

nitrate

Answer 35

NO₃^-

Question 36

phosphite

Answer 36

PO₃^3-

Question 37

phosphate

Answer 37

PO₄^3-

Question 38

sulfite

Answer 38

SO₃^2-

Question 39

sulfate

Answer 39

SO₄^2-

Question 40

thiosulfate

Answer 40

S₂O₃^2-

Question 41

hypochlorite

Answer 41

CIO-

Question 42

chlorite

Answer 42

CIO₂^-

Question 43

chlorate

Answer 43

CIO₃^-

Question 44

perichlorate

Answer 44

CIO₄^-

Question 45

acetate

Answer 45

CH₃COO^{- or}

C₂H₃O₂^-

Question 46

arsenate

Answer 46

AsO₄^3-

Question 47

borate

Answer 47

BO₃^3-

Question 48

silicate

Answer 48

SiO₃^2-

Question 49

permangate

Answer 49

MnO₄^-

Question 50

chromate

Answer 50

CrO₄^2-

Question 51

dichroamte

Answer 51

Cr₂O₇^2-

Question 52

formate

Answer 52

CHO₂^-

Question 53

Hydrogen carbonate or bicarbonate

Answer 53

HCO₃^-

Question 54

hydrogen sufate or bisulfate

Answer 54

HSO₃^-

Question 55

hydrogen phosphate

Answer 55

HPO₄^2-

Question 56

dihydrogen phosphate

Answer 56

H₂PO₄^-