Polyatomic Ions

Question 1

Give the formula for the following polyatomic ion:

Ammonium

Answer 1

NH₄⁺

Question 2

Give the formula for the following polyatomic ion:

Carbonate

Answer 2

CO₃^2-

Question 3

Give the formula for the following polyatomic ion:

Chlorate

Answer 3

ClO₃^-

Question 4

Give the formula for the following polyatomic ion:

Hydroxide

Answer 4

OH^-

Question 5

Give the formula for the following polyatomic ion:

Nitrate

Answer 5

NO₃^-

Question 6

Give the formula for the following polyatomic ion:

Phosphate

Answer 6

PO₄^3-

Question 7

Give the formula for the following polyatomic ion:

Sulfate

Answer 7

SO₄^2-

Question 8

Give the formula for the following polyatomic ion:

Acetate (or Ethanoate)

Answer 8

C₂H₃O₂^-

or

CH₃COO^-

Question 9

Give the formula for the following polyatomic ion:

Perbromate

Answer 9

BrO₄^-

Question 10

Give the formula for the following polyatomic ion:

Iodate

Answer 10

IO₃^-

Question 11

Give the formula for the following polyatomic ion:

Bromate

Answer 11

BrO₃^-

Question 12

Give the formula for the following polyatomic ion:

Perchlorate

Answer 12

ClO₄^-

Question 13

Give the formula for the following polyatomic ion:

Periodate

Answer 13

IO₄^-

Question 14

Give the formula for the following polyatomic ion:

Bromite

Answer 14

BrO₂^-

Question 15

Give the formula for the following polyatomic ion:

Chlorite

Answer 15

ClO₂^-

Question 16

Give the formula for the following polyatomic ion:

Iodite

Answer 16

IO₂^-

Question 17

Give the formula for the following polyatomic ion:

Nitrite

Answer 17

NO₂^-

Question 18

Give the formula for the following polyatomic ion:

Phosphite

Answer 18

PO₃^3-

Question 19

Give the formula for the following polyatomic ion:

Sulfite

Answer 19

SO₃^2-

Question 20

Give the formula for the following polyatomic ion:

Hypobromite

Answer 20

BrO^-

Question 21

Give the formula for the following polyatomic ion:

Hypochlorite

Answer 21

ClO^-

Question 22

Give the formula for the following polyatomic ion:

Hypoiodite

Answer 22

IO^-

Question 23

Give the name for the following polyatomic ion:

NH₄⁺

Answer 23

Ammonium

Question 24

Give the name for the following polyatomic ion:

CO₃^2-

Answer 24

Carbonate

Question 25

# Give the name for the following polyatomic ion: ClO₃^-

Answer 25

Chlorate

Question 26

# Give the name for the following polyatomic ion: OH^-

Answer 26

Hydroxide

Question 27

# Give the name for the following polyatomic ion: NO₃^-

Answer 27

Nitrate

Question 28

# Give the name for the following polyatomic ion: PO₄^3-

Answer 28

Phosphate

Question 29

# Give the name for the following polyatomic ion: SO₄^2-

Answer 29

Sulfate

Question 30

# Give the name for the following polyatomic ion: C₂H₃O₂^- or CH₃COO^-

Answer 30

Acetate (or Ethanoate)

Question 31

# Give the name for the following polyatomic ion: BrO₄^-

Answer 31

Perbromate

Question 32

# Give the name for the following polyatomic ion: IO₃^-

Answer 32

Iodate

Question 33

# Give the name for the following polyatomic ion: BrO₃^-

Answer 33

Bromate

Question 34

# Give the name for the following polyatomic ion: ClO₄^-

Answer 34

Perchlorate

Question 35

# Give the name for the following polyatomic ion: IO₄^-

Answer 35

Periodate

Question 36

# Give the name for the following polyatomic ion: BrO₂^-

Answer 36

Bromite

Question 37

# Give the name for the following polyatomic ion: ClO₂^-

Answer 37

Chlorite

Question 38

# Give the name for the following polyatomic ion: IO₂^-

Answer 38

Iodite

Question 39

# Give the name for the following polyatomic ion: NO₂^-

Answer 39

Nitrite

Question 40

# Give the name for the following polyatomic ion: PO₃^3-

Answer 40

Phosphite

Question 41

# Give the name for the following polyatomic ion: SO₃^2-

Answer 41

Sulfite

Question 42

# Give the name for the following polyatomic ion: BrO^-

Answer 42

Hypobromite

Question 43

# Give the name for the following polyatomic ion: ClO^-

Answer 43

Hypochlorite

Question 44

# Give the name for the following polyatomic ion: IO^-

Answer 44

Hypoiodite