Polyatomic Ions

Question 1

NH4 +

Answer 1

Ammonium

Question 2

C2H3O2 –

Answer 2

Acetate

Question 3

AsO4 3–

Answer 3

Arsenate

Question 4

BO3 3–

Answer 4

Borate

Question 5

B4O7 2–

Answer 5

Tetraborate

Question 6

Br –

Answer 6

Bromide

Question 7

BrO –

Answer 7

Hypobromite

Question 8

BrO3 –

Answer 8

Bromate

Question 9

CO3 2–

Answer 9

Carbonate

Question 10

HCO3 -

Answer 10

Bicarbonate; hydrogen carbonate

Question 11

ClO –

Answer 11

Hypochlorite

Question 12

ClO2 –

Answer 12

Chlorite

Question 13

ClO3 –

Answer 13

Chlorate

Question 14

ClO4 –

Answer 14

Perchlorate

Question 15

CrO4 2–

Answer 15

Chromate

Question 16

Cr2O7 2–

Answer 16

Dichromate

Question 17

C6H5O7 3–

Answer 17

Citrate

Question 18

CN –

Answer 18

Cyanide

Question 19

OH–

Answer 19

Hydroxide

Question 20

I –

Answer 20

Iodide

Question 21

IO4 –

Answer 21

Periodate

Question 22

MoO4 2–

Answer 22

Molybdate

Question 23

N3 –

Answer 23

Nitride

Question 24

NO2 –

Answer 24

Nitrite

Question 25

NO3 –

Answer 25

Nitrate

Question 26

C2O4 2–

Answer 26

Oxalate

Question 27

O2–

Answer 27

Oxide

Question 28

MnO4 –

Answer 28

Permanganate

Question 29

P 3–

Answer 29

Phosphide

Question 30

PO4 3–

Answer 30

Phosphate

Question 31

HPO4 2–

Answer 31

Hydrogen phosphate

Question 32

H2PO4 –

Answer 32

Dihydrogen phosphate

Question 33

Se2–

Answer 33

Selenide

Question 34

S2–

Answer 34

Sulfide

Question 35

SO3 2–

Answer 35

Sulfite

Question 36

SO4 2–

Answer 36

Sulfate

Question 37

HSO3 –

Answer 37

Bisulfite; Hydrogen sulfite

Question 38

HSO4 –

Answer 38

Bisulfate; Hydrogen sulfate

Question 39

S2O3 2–

Answer 39

Thiosulfate

Question 40

SCN–

Answer 40

Thiocyanate