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Worksheets

Elements, compounds and mixtures

Total questions: 83

Worksheet time: 42mins

Name
Class
Date
1.

The smallest building blocks of matter are called

a)

Mixtures

b)

Compounds

c)

Elements

d)

Atoms

2.

Which one is not a particle within atoms

a)

Electron

b)

Proton

c)

Neutron

d)

Nucleus

3.

What type of substance is it?

a)

Element

b)

Compound

c)

Mixture

4.

What type of substance is it?

a)

Element

b)

Compound

c)

Mixture

5.

What type of substance is it?

a)

Element

b)

Compound

c)

Mixture

6.

What type of substance is it?

a)

Element

b)

Compound

c)

Mixture

7.

What type of substance is it?

a)

Element

b)

Compound

c)

Mixture

8.

What type of substance is it?

a)

Element

b)

Compound

c)

Mixture

9.

What type of substance is it?

a)

Element

b)

Compound

c)

Mixture

10.

What type of substance is it?

a)

Element

b)

Compound

c)

Mixture

11.

What type of element is it?

a)

Monatomic element

b)

Molecular element

c)

Crystal lattice

12.

What type of element is it?

a)

Monatomic element

b)

Molecular element

c)

Crystal lattice

13.

What type of element is it?

a)

Monatomic element

b)

Molecular element

c)

Crystal lattice

14.

What type of element are they?

a)

Monatomic elements

b)

Molecular element

c)

Crystal lattice

15.

Graphite is a form of carbon and it is a ...

a)

Monatomic elements

b)

Molecular element

c)

Crystal lattice

16.

Carbon is a

a)

Metal

b)

Non-metal

17.

Which of the following is a property of a non-metal?

a)

shiny

b)

good conductor of heat

c)

good conductor of electricity

d)

brittle

18.

Which property of metals is visible in the image?

a)

shiny

b)

good conductor of heat

c)

good conductor of electricity

d)

high melting point

19.

The metal on the right is an exception for which property of metals?

a)

shiny

b)

good conductor of heat

c)

good conductor of electricity

d)

high melting point

20.

Which property of metals is used in wires and power cords?

a)

shiny

b)

good conductor of heat

c)

good conductor of electricity

d)

high melting point

21.

Which property of metals is used in pots and pans?

a)

shiny

b)

good conductor of heat

c)

good conductor of electricity

d)

high melting point

22.

The atoms in metals usually exists in/as

a)

monatomic elements

b)

molecular elements

c)

crystal lattices

23.

The image shows an example of

a)

Crystal lattice of an element

b)

Lattice compound

c)

Alloy

24.

Which one represents a monatomic element?

a)

A

b)

B

c)

C

d)

D

e)

E

25.

Which one represents a mixture?

a)

A

b)

B

c)

C

d)

D

e)

E

26.

Which one represents a compound?

a)

A

b)

B

c)

C

d)

D

e)

E

27.

What type of substance is it?

a)

Element

b)

Compound

c)

Mixture

28.

How many different element does this substance contain?

a)

1

b)

2

c)

3

d)

4

29.

How many different compounds does this substance contain?

a)

1

b)

2

c)

3

d)

4

30.

How many different monatomic elements does this substance contain?

a)

1

b)

2

c)

3

d)

4

31.

How many different molecular elements does this substance contain?

a)

1

b)

2

c)

3

d)

4

32.

How many elements make up carbon dioxide?

a)

1

b)

2

c)

3

d)

4

33.

How many oxygen atoms are in one molecule?

a)

1

b)

2

c)

3

d)

4

34.

How many carbon atoms are in one molecule?

a)

1

b)

2

c)

3

d)

4

35.

What is the correct chemical formula for the molecule?

a)

HOOH

b)

HO

c)

H2O2

d)

H2O

36.

What is the correct chemical formula for the molecule if the pink circles represent carbon and the white ones hydrogen?

a)

C10H10

b)

C8H8

c)

CH8

d)

8CH

37.

What would be the chemical formula of the compound?

a)

HC

b)

CHl

c)

HCl

d)

H1Cl1

38.

The substance has evaporated.

a)

A

b)

B

c)

C

d)

D

e)

E

39.

The substance has reached its boiling point.

a)

A

b)

B

c)

C

d)

D

e)

E

40.

The substance is at its coldest.

a)

A

b)

B

c)

C

d)

D

e)

E

41.

The substance is a liquid.

a)

A

b)

B

c)

C

d)

D

e)

E

42.

The substance is a solid.

a)

A

b)

B

c)

C

d)

D

e)

E

43.

The substance is a gas.

a)

A

b)

B

c)

C

d)

D

e)

E

44.

The substance is melting.

a)

A

b)

B

c)

C

d)

D

e)

E

45.

Particles are moving the slowest.

a)

A

b)

B

c)

C

d)

D

e)

E

46.

Particles are moving the fastest.

a)

A

b)

B

c)

C

d)

D

e)

E

47.

The spaces between the particles are the smallest.

a)

A

b)

B

c)

C

d)

D

e)

E

48.

The particles take on the shape of their container.

a)

A

b)

B

c)

C

d)

D

e)

E

49.

The particles are in fixed positions.

a)

A

b)

B

c)

C

d)

D

e)

E

50.

What state is represented here?

a)

Solid

b)

Liquid

c)

Gas

51.

What state is represented here?

a)

Solid

b)

Liquid

c)

Gas

52.

What state is represented here?

a)

Solid

b)

Liquid

c)

Gas

53.

What state is represented here?

a)

Solid

b)

Liquid

c)

Gas

54.

Freezing

a)

A

b)

B

c)

C

d)

D

e)

E

55.

Condensation

a)

A

b)

B

c)

C

d)

D

e)

E

56.

Melting

a)

A

b)

B

c)

C

d)

D

e)

E

57.

Evaporation

a)

A

b)

B

c)

C

d)

D

e)

E

58.

What process is represented in the image?

a)

Melting

b)

Evaporation

c)

Freezing

d)

Condensation

e)

Deposition

59.

What process is represented in the image?

a)

Sublimation

b)

Evaporation

c)

Freezing

d)

Condensation

e)

Deposition

60.

What process is represented in the image?

a)

Sublimation

b)

Evaporation

c)

Freezing

d)

Condensation

e)

Deposition

61.

What process is represented in the image?

a)

Sublimation

b)

Evaporation

c)

Freezing

d)

Condensation

e)

Deposition

62.

What process is represented in the image?

a)

Sublimation

b)

Evaporation

c)

Freezing

d)

Condensation

e)

Deposition

63.

With increasing temperature, the particles are closer together.

a)

True

b)

False

64.

With increasing temperature, the particles move faster.

a)

True

b)

False

65.

With increasing temperature, the pressure in the balloon increases.

a)

True

b)

False

66.

The image represents particles in a

a)

Solid

b)

Liquid

c)

Gas

67.

The image represents particles in a

a)

Solid

b)

Liquid

c)

Gas

68.

The image represents particles in a

a)

Solid

b)

Liquid

c)

Gas

69.

The substance in the diagram is

a)

Water

b)

Table salt

c)

Sugar

d)

Air

70.

Where in the periodic table can you find most non-metal?

a)

Top left corner

b)

Top right corner

c)

Bottom left corner

d)

Bottom right corner

71.

Which metal is liquid at room temperature?

a)

Gold

b)

Silver

c)

Cadmium

d)

Mercury

72.

Which non-metal is far away from the other non-metals on the periodic table?

a)

Hydrogen

b)

Helium

c)

Oxygen

d)

Sodium

73.

Which one is not a metal?

a)

Sodium

b)

Potassium

c)

Nitrogen

d)

Platinum

74.

Which one is not a non-metal?

a)

Oxygen

b)

Phosphorus

c)

Iodine

d)

Gallium

75.

Au is the element symbol for

a)

Australium

b)

Gold

c)

Silver

d)

Antimony

76.

Ag is the element symbol for

a)

Argon

b)

Gold

c)

Silver

d)

Antimony

77.

Ar is the element symbol for

a)

Argon

b)

Gold

c)

Silver

d)

Antimony

78.

What state is the substance in?

a)

Solid

b)

Liquid

c)

Gas

79.

What property of the substance is NOT represented?

a)

Particles move fast

b)

Particles are far apart

c)

Substance is a mixture

d)

Substance is compressible

80.

Which statement is wrong?

a)

The particles vibrate

b)

The particles move quickly

c)

The spaces between the particles are small

d)

The substance holds its shape

81.

Which statement is correct?

a)

The particles vibrate

b)

The particles move quickly

c)

The spaces between the particles are small

d)

The substance holds its shape

82.

Which statement is correct?

a)

The substance fills the whole container

b)

The substance takes on the shape of the container

c)

The substance holds its shape

83.

What is the definition of matter?

a)

Everything that has a shape and makes a sound.

b)

Everything that has mass and takes on the shape of its container.

c)

Everything that you can touch and eat.

d)

Everything that has mass and takes up space.