Extra Polyatomic Ions

Question 1

Give the formula for the following polyatomic ion:

Hydronium

Answer 1

H₃O⁺

Question 2

Give the formula for the following polyatomic ion:

Chromate

Answer 2

CrO₄^2-

Question 3

Give the formula for the following polyatomic ion:

Dichromate

Answer 3

Cr₂O₇^2-

Question 4

Give the formula for the following polyatomic ion:

Cyanide

Answer 4

CN^-

Question 5

Give the formula for the following polyatomic ion:

Dihydrogen Phosphate

Answer 5

H₂PO₄^-

Question 6

Give the formula for the following polyatomic ion:

Oxalate

Answer 6

C₂O₄^2-

Question 7

Give the formula for the following polyatomic ion:

Peroxide

Answer 7

O₂^2-

Question 8

Give the formula for the following polyatomic ion:

Amide

Answer 8

NH₂^-

Question 9

Give the formula for the following polyatomic ion:

Permanganate

Answer 9

MnO₄^-

Question 10

Give the formula for the following polyatomic ion:

Bisulfide (or Hydrogen Sulfide)

Answer 10

HS^-

Question 11

Give the formula for the following polyatomic ion:

Bicarbonate (or Hydrogen Carbonate)

Answer 11

HCO₃^-

Question 12

Give the formula for the following polyatomic ion:

Biphosphate (or Hydrogen Phosphate)

Answer 12

HPO₄^2-

Question 13

Give the formula for the following polyatomic ion:

Bisulfite (or Hydrogen Sulfite)

Answer 13

HSO₃^-

Question 14

Give the formula for the following polyatomic ion:

Bisulfate (or Hydrogen Sulfate)

Answer 14

HSO₄^-

Question 15

Give the formula for the following polyatomic ion:

Thiosulfate

Answer 15

S₂O₃^2-

Question 16

Give the formula for the following polyatomic ion:

Thiocynate

Answer 16

SCN^-

Question 17

Give the name for the following polyatomic ion:

H₃O⁺

Answer 17

Hydronium

Question 18

Give the name for the following polyatomic ion:

CrO₄^2-

Answer 18

Chromate

Question 19

Give the name for the following polyatomic ion:

Cr₂O₇^2-

Answer 19

Dichromate

Question 20

Give the name for the following polyatomic ion:

CN^-

Answer 20

Cyanide

Question 21

Give the name for the following polyatomic ion:

H₂PO₄^-

Answer 21

Dihydrogen Phosphate

Question 22

Give the name for the following polyatomic ion:

C₂O₄^2-

Answer 22

Oxalate

Question 23

Give the name for the following polyatomic ion:

O₂^2-

Answer 23

Peroxide

Question 24

Give the name for the following polyatomic ion:

NH₂^-

Answer 24

Amide

Question 25

Give the name for the following polyatomic ion:

MnO₄^-

Answer 25

Permanganate

Question 26

Give the name for the following polyatomic ion:

HS^-

Answer 26

Bisulfide (or Hydrogen Sulfide)

Question 27

Give the name for the following polyatomic ion:

HCO₃^-

Answer 27

Bicarbonate (or Hydrogen Carbonate)

Question 28

Give the name for the following polyatomic ion:

HPO₄^2-

Answer 28

Biphosphate (or Hydrogen Phosphate)

Question 29

Give the name for the following polyatomic ion:

HSO₃^-

Answer 29

Bisulfite (or Hydrogen Sulfite)

Question 30

Give the name for the following polyatomic ion:

HSO₄^-

Answer 30

Bisulfate (or Hydrogen Sulfate)

Question 31

Give the name for the following polyatomic ion:

S₂O₃^2-

Answer 31

Thiosulfate

Question 32

Give the name for the following polyatomic ion:

SCN^-

Answer 32

Thiocynate