Free Printable Polyatomic Ions

1.

What is the formula for the carbonate ion?

a)

$CO_3^{2-}$

b)

$CO_3^-$

c)

$CO_2^-$

d)

$CO_4^{2-}$

e)

$C_2O_4^{\ \ \ \ 2-}$

2.

What is the formula for the phosphate ion?

a)

PO₃^2-

b)

PO₃^-

c)

PO₂^-

d)

PO₄^3-

e)

$P^{3-}$

3.

What is the formula for the ammonium ion?

a)

NH₃^2-

b)

NH₄^-

c)

NH₄⁺

d)

NO₄^-

e)

$NO_3^-$

4.

What is the name of the following ion?

SO₄ ^2-

a)

sulfur (II) ion

b)

sulfide ion

c)

sulfate ion

d)

sulfite ion

e)

sulfur tetroxide ion

5.

What is the name of the following ion?

O₂ ^2-

a)

oxide ion

b)

peroxide ion

c)

oxalate ion

d)

hydroxide ion

e)

cyanide

6.

What is the name of the following ion?

ClO₃ ^-

a)

chlorate ion

b)

chloride ion

c)

chlorite ion

d)

perchlorate ion

e)

hypochlorite

7.

What is the name of the following ion?

ClO₄ ^-

a)

chlorate ion

b)

chloride ion

c)

chlorite ion

d)

perchlorate ion

e)

hypochlorite ion

8.

What is the name of the following ion?

ClO ^-

a)

chlorate ion

b)

hypochlorite ion

c)

chlorite ion

d)

perchlorate ion

e)

chloride ion

9.

What is the formula for the oxalate ion?

a)

CO₃^2-

b)

CO₃^-

c)

CO₂^-

d)

CO₄^2-

e)

$C_2O_4^{\ \ \ \ 2-}$

10.

What is the formula for the bromate ion?

a)

$BrO_3^-$

b)

$BrO_2^-$

c)

$BrO_{ }^-$

d)

$BrO_4^-$

e)

$Br^-$

11.

What is the formula for the chlorite ion?

a)

$ClO_3^-$

b)

$ClO_2^-$

c)

$ClO_{ }^-$

d)

$ClO_4^-$

e)

$Cl^-$

12.

What is the formula for the hypochlorite ion?

a)

$ClO_3^-$

b)

$ClO_2^-$

c)

$ClO_{ }^-$

d)

$ClO_4^-$

e)

$Cl^-$

13.

What is the formula for the perchlorate ion?

a)

$ClO_3^-$

b)

$ClO_2^-$

c)

$ClO_{ }^-$

d)

$ClO_4^-$

e)

$Cl^-$

14.

What is the formula for the iodate ion?

a)

$IO_3^-$

b)

$IO_2^-$

c)

$IO_{ }^-$

d)

$IO_4^-$

e)

$I^-$

15.

What is the formula for the acetate ion?

a)

$CHO_3^-$

b)

$C_2O_4^{2-}$

c)

$CH_3COO_{ }^-$

d)

$AsO_4^{3-}$

e)

$CH_3^-$

16.

What is the formula for the oxalate ion?

a)

$CHO_3^-$

b)

$C_2O_4^{2-}$

c)

$CH_3COO_{ }^-$

d)

$AsO_4^{3-}$

e)

$CH_3^-$

17.

What is the formula for the arsenate ion?

a)

$CHO_3^-$

b)

$C_2O_4^{2-}$

c)

$CH_3COO_{ }^-$

d)

$AsO_4^{3-}$

e)

$CH_3^-$

18.

What is the formula for the cyanide ion?

a)

$O_2^{2-}$

b)

$C_2O_4^{2-}$

c)

$CH_3COO_{ }^-$

d)

$AsO_4^{3-}$

e)

$CN^-$

19.

What is the formula for the peroxide ion?

a)

$O_2^{2-}$

b)

$C_2O_4^{2-}$

c)

$CH_3COO_{ }^-$

d)

$AsO_4^{3-}$

e)

$CN^-$

20.

What is the formula for the chromate ion?

a)

$CrO_2^{2-}$

b)

$C_2O_4^{2-}$

c)

$CrO_4^{\ 2-}$

d)

$Cr_2O_7^{2-}$

e)

$CO_3^{2-}$

21.

What is the formula for the dichromate ion?

a)

$CrO_2^{2-}$

b)

$C_2O_4^{2-}$

c)

$CrO_4^{\ 2-}$

d)

$Cr_2O_7^{2-}$

e)

$CO_3^{2-}$

22.

What is the formula for the carbonate ion?

a)

$CO_3^{2-}$

b)

$C_2O_4^{2-}$

c)

$CrO_4^{\ 2-}$

d)

$Cr_2O_7^{2-}$

e)

$HCO_3^-$

23.

What is the formula for the bicarbonate ion?

a)

$CO_3^{2-}$

b)

$C_2O_4^{2-}$

c)

$CrO_4^{\ 2-}$

d)

$Cr_2O_7^{2-}$

e)

$HCO_3^-$

24.

What is the formula for the hydrogen carbonate ion?

a)

$CO_3^{2-}$

b)

$C_2O_4^{2-}$

c)

$CrO_4^{\ 2-}$

d)

$Cr_2O_7^{2-}$

e)

$HCO_3^-$

25.

What is the formula for the hydrogen phosphate ion?

a)

$HPO_3^-$

b)

$H_2PO_3^-$

c)

$H_2PO_4^-$

d)

$HPO_4^{2-}$

e)

$HP^{3-}$

26.

What is the formula for the dihydrogen phosphate ion?

a)

$HPO_3^-$

b)

$H_2PO_3^-$

c)

$H_2PO_4^-$

d)

$HPO_4^{2-}$

e)

$HP^{3-}$

27.

What is the formula for the sulfate ion?

a)

$HSO_3^-$

b)

$SO_3^{2-}$

c)

$HSO_4^-$

d)

$SO_4^{2-}$

e)

$S^{2-}$

28.

What is the formula for the hydrogen sulfate ion?

a)

$HSO_3^-$

b)

$SO_3^{2-}$

c)

$HSO_4^-$

d)

$SO_4^{2-}$

e)

$S^{2-}$

29.

What is the formula for the sulfite ion?

a)

$HSO_3^-$

b)

$SO_3^{2-}$

c)

$HSO_4^-$

d)

$SO_4^{2-}$

e)

$S^{2-}$

30.

What is the formula for the hydroxide ion?

a)

$OH^-$

b)

$O_2^{2-}$

c)

$H^-$

d)

$OH_2$

e)

$HO_2^-$

31.

What is the formula for the nitrate ion?

a)

$NO_3^-$

b)

$NO_2^-$

c)

$NH_4^+$

d)

$MnO_4^-$

e)

$Hg_2^{2+}$

32.

What is the formula for the nitrite ion?

a)

$NO_3^-$

b)

$NO_2^-$

c)

$NH_4^+$

d)

$MnO_4^-$

e)

$Hg_2^{2+}$

33.

What is the formula for the permanganate ion?

a)

$NO_3^-$

b)

$NO_2^-$

c)

$NH_4^+$

d)

$MnO_4^-$

e)

$Hg_2^{2+}$

34.

What is the formula for the ammonium ion?

a)

$NO_3^-$

b)

$NO_2^-$

c)

$NH_4^+$

d)

$MnO_4^-$

e)

$Hg_2^{2+}$

35.

What is the formula for the dimercury ion?

a)

$NO_3^-$

b)

$NO_2^-$

c)

$NH_4^+$

d)

$MnO_4^-$

e)

$Hg_2^{2+}$

36.

What is the name of the following ion?
$CH_3COO^-$

a)

arsenate ion

b)

oxalate ion

c)

acetate ion

d)

carbonate ion

e)

ammonium ion

37.

What is the name of the following ion?
$BrO_3^-$

a)

bromite ion

b)

bromate ion

c)

bromide ion

d)

bromic ion

e)

perbromate ion

38.

What is the name of the following ion?
$CN^-$

a)

carbonate ion

b)

oxalate ion

c)

carbonitrogen ion

d)

cyanide ion

e)

acetate ion

39.

What is the name of the following ion?
$CO_3^{2-}$

a)

carbonate ion

b)

oxalate ion

c)

carbonitrogen ion

d)

cyanide ion

e)

acetate ion

40.

What is the name of the following ion?
$C_2O_4^{2-}$

a)

carbonate ion

b)

oxalate ion

c)

carbonitrogen ion

d)

cyanide ion

e)

acetate ion

41.

What is the name of the following ion?
$OH^-$

a)

oxyhydride ion

b)

peroxide ion

c)

hydroxide ion

d)

oxide ion

e)

oxalate ion

42.

What is the name of the following ion?
$O_2^{2-}$

a)

oxyhydride ion

b)

peroxide ion

c)

hydroxide ion

d)

oxide ion

e)

oxalate ion

43.

What is the name of the following ion?
$H_2PO_4^-$

a)

hydrogen phosphorus tetroxide ion

b)

hydrogen phospate ion

c)

dihydrogen phosphate ion

d)

phosphate ion

e)

phosphoric acid ion

44.

What is the name of the following ion?
$HPO_4^{2-}$

a)

hydrogen phosphorus tetroxide ion

b)

hydrogen phospate ion

c)

dihydrogen phosphate ion

d)

phosphate ion

e)

phosphoric acid ion

45.

What is the name of the following ion?
$PO_4^{3-}$

a)

hydrogen phosphorus tetroxide ion

b)

hydrogen phospate ion

c)

dihydrogen phosphate ion

d)

phosphate ion

e)

phosphoric acid ion

46.

What is the name of the following ion?
$MnO_4^-$

a)

manganate ion

b)

permanganate ion

c)

arsenate ion

d)

oxalate ion

e)

peroxide ion

47.

What is the name of the following ion?
$AsO_4^{3-}$

a)

manganate ion

b)

permanganate ion

c)

arsenate ion

d)

oxalate ion

e)

peroxide ion

48.

What is the name of the following ion?
$CrO_4^{2-}$

a)

chromate ion

b)

dichromate ion

c)

nitrate ion

d)

nitrite ion

e)

oxalate ion

49.

What is the name of the following ion?
$HCO_3^-$

Pick all that apply

a)

carbonate ion

b)

hydrogen carbonate ion

c)

dicarbonate ion

d)

bicarbonate ion

e)

acetate ion

50.

What is the name of the following ion?
$Cr_2O_7^{2-}$

a)

chromate ion

b)

dichromate ion

c)

nitrate ion

d)

nitrite ion

e)

oxalate ion

51.

What is the name of the following ion?
$NO_3^-$

a)

chromate ion

b)

dichromate ion

c)

nitrate ion

d)

nitrite ion

e)

oxalate ion

52.

What is the name of the following ion?
$NO_2^-$

a)

chromate ion

b)

dichromate ion

c)

nitrate ion

d)

nitrite ion

e)

oxalate ion

53.

What is the name of the following ion?
$SO_3^{2-}$

a)

sulfur (II) ion

b)

sulfide ion

c)

sulfate ion

d)

sulfite ion

e)

sulfur tetroxide ion

54.

What is the name of the following ion? Mark all that apply.
$HSO_4^-$

a)

hydrogen sulfate ion

b)

sulfide ion

c)

sulfate ion

d)

sulfite ion

e)

bisulfate ion

Polyatomic Ions

Total questions: 54

Worksheet time: 2hrs 48mins

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