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Year 9 Term 2

Total questions: 57

Worksheet time: 30mins

Name
Class
Date
1.
Temperature at which a solid changes to a liquid  is
a)
Volume
b)
Atom
c)
Matter
d)
Melting Point
2.

Which of these has a fixed shape?

a)

solid

b)

liquid

c)

gas

3.

What does this image show?

a)

Solid

b)

Liquid

c)

Gas

4.

What does this image show?

a)

Solid

b)

Liquid

c)

Gas

5.

What does this image show?

a)

Solid

b)

Liquid

c)

Gas

6.

What causes a change in state?

a)

Adding heat

b)

Removing heat

c)

Both adding and removing heat

7.

Solid changing into a gas is called ______.

a)

Vaporization

b)

Sublimation

c)

Condensation

d)

Deposition

8.

True or False: When you heat a solid or liquid its particles begin to move faster.

a)

True

b)

False

9.

When you melt a solid it turns into a ____

a)

Solid

b)

Liquid

c)

Gas

10.

What sub-atomic particle is labelled A?

a)

Neutron

b)

Electron

c)

Ion

d)

Atom

11.

What sub-atomic particle is labelled B?

a)

Neutron

b)

Electron

c)

Ion

d)

Atom

12.

Which atom has 4 electrons?

a)

Atom A

b)

Atom B

c)

Atom C

d)

Atom D

13.

Which atom would be found in group 2?

a)

Atom A

b)

Atom B

c)

Atom C

d)

Atom D

14.

Carbon has 6 electrons. Which atom is carbon?

a)

Atom A

b)

Atom B

c)

Atom C

d)

Atom D

15.

What is the mass number of this lithium atom?

a)

7

b)

3

c)

4

d)

10

16.

What is the atomic number of lithium?

a)

7

b)

3

c)

4

d)

10

17.

How many neutrons does this lithium atom have?

a)

7

b)

3

c)

4

d)

10

18.

What is an element?

a)

2 or more substance not chemically combined

b)

substance made of 1 type of atom

c)

substance made of more than one type of atom chemically joined together

d)

atoms of the same element with different number of neutrons

19.

What is an compound?

a)

2 or more substance not chemically combined

b)

substance made of 1 type of atom

c)

substance made of more than one type of atom chemically joined together

d)

atoms of the same element with different number of neutrons

20.

How many electrons can you put in the 1st, second and third electron shells?

a)

4,4,8

b)

2,8,8

c)

4,8,8

d)

1,2,8

21.

How do you calculate the number of neutrons in an atom?

a)

atomic number + mass number

b)

Mass number - atomic number

c)

Atomic number - mass number

d)

Mass number x atomic number

22.

What part of an atom has a mass of 1 and a charge of +1?

a)

Neutrons

b)

Protons

c)

Nucleus

d)

Electrons

23.

What particles have a charge of -1 and a very small mass?

a)

protons

b)

neutrons

c)

electrons

d)

shells

24.

The atomic number is

a)

the number of neutrons

b)

the number of neutrons and protons added together

c)

the number of electrons and protons added together

d)

the number of protons

25.

The atomic mass is

a)

protons and electrons added together

b)

protons and neutrons added together

c)

electrons and neutrons added together

d)

neutrons and electrons added together

26.

The period (row) number determines the

a)

number of electrons

b)

number of neutrons

c)

number of shells

d)

number of protons in the nucleus

27.

Why are atoms neutrally charged?

a)

Balanced numbers of protons and neutrons

b)

Equal numbers of electrons and protons

c)

The neutrons have no charge

d)

Atoms always have a positive charge

28.
Elements on the LEFT side of the periodic table will most likely form:
a)
Positive ions
b)
Negative ions
c)
Neutral Ions
d)
None of these
29.
What is an ion?
a)
An atom that has lost or gained protons
b)
An atom that has lost or gained neutrons
c)
An atom that has lost or gained electrons
d)
An atom with a charge of zero
30.

What is the charge on a sodium ion?

a)

1+

b)

2+

c)

1-

d)

2-

31.
What charge will an Oxygen ion have? 
a)

1+

b)

1-

c)

2+

d)

2-

32.

Which of the following has a 1- charge? 

a)

Aluminum

b)

Bromine

c)

Calcium

d)

Potassium

33.
What is the charge on an Aluminium ion?
a)

5+

b)

3+

c)

3-

d)

5-

34.

What is the charge on a hydroxide ion?

a)

1+

b)

2+

c)

1-

d)

2-

35.

What is the charge on a sulfate ion SO4xx?

a)

1+

b)

2+

c)

1-

d)

2-

36.

What is the charge on an iron(II) ion?

a)

1+

b)

2+

c)

1-

d)

2-

37.
What is H2SO4 
(Sulfuric Acid) made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
38.
What is Fe2O3
(rust) made up of?
a)
1 flourine, 2 einsteinium,
3 oxygen
b)
2 fluorine, 3 oxygen
c)
2 iron, 3 oxygen
d)
2 iron, 3 osmium
39.

How many sulfate ions are in --> Na2SO4

a)

1 sulfate ion

b)

2 sulfate ions

c)

3 sulfate ions

d)

4 sulfate ions

40.

Lead Chloride is an ionic compound, made up from Pb2+ ions and Cl- ions. Which is the correct formula for this compound?

a)

PbCl3

b)

PbCl

c)

PbCl4

d)

PbCl2

41.

Magnesium Hydroxide is an ionic compound made up from Mg2+ and OH- ions. Which is its correct formula?

a)

MgOH

b)

MgOH2

c)

Mg(OH)2

d)

MgO

42.

What is the correct formula of sodium carbonate?

a)

So2CO3

b)

NaCO3

c)

K2CO3

d)

Na2CO3

43.

The combination of Copper (II) ion and Sulphate ion produce

a)

CuSO4

b)

Cu2SO4

c)

Cu(SO4)2

d)

(Cu)2SO4

44.
Which one of the following techniques would best be used to separate soil and water?
a)
Decanting
b)
distillation
c)
Filtration
d)
Chromatography
45.
Sodium chloride can be separated from rock salt by first adding water to the mixture to dissolve the sodium chloride. The separation then takes place in two stages:
a)
evaporation followed by filtration
b)
 distillation followed by decanting
c)
filtration followed by evaporation
d)
filtration followed by decanting
46.
On the chromatogram given -------------- is mixture.
a)
red
b)
orange
c)
green
d)
black
47.

Which is the best way to get solid salt from salty water?

a)

Evaporation

b)

Filtration

c)

Distillation

48.

If you wanted to make pure drinking water from sea water, what process would you use?

a)

Filtration

b)

Distillation

c)

Evaporation

49.

What is the name of 5?

a)

still

b)

condenser

c)

distillate

d)

water pump

50.

Distillation is made up of ___.

a)

evaporation, then freezing

b)

evaporation, then filtration

c)

boiling, then condensation

d)

condensation, then boiling

51.

The diagram below shows a chromatogram of 5 dyes. Dye Q was known to cause cancer. Which of the following dye(s) is/are safe for use?

a)

P only

b)

S only

c)

P and S

d)

P and X

52.
The Rf value  for the blue component is 
a)
0.3
b)
0.7
c)
10
d)
3
53.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
54.
This diagram represents a _____.
a)

pure substance that is a compound

b)

mixture of elements

c)

pure substance that is an element

d)

mixture of compounds

55.
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
56.
a)
element
b)
compound
c)
mixture of elements and compounds
d)
mixture of compounds
57.
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds and elements

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