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WorksheetsSec 2 Revision
Total questions: 15
Worksheet time: 23mins
Name
Class
Date
1.
Which of these statements about a solid is incorrect?
a)
The particles in a solid vibrate about fixed positions.
b)
There is very little space between the particles in a solid.
c)
The particles in a solid can move around freely.
d)
There are usually strong forces between the particles in a solid.
2.
Which of the following diagrams represents hydrogen gas?
a)
A
b)
B
c)
C
d)
D
3.
Why is it that solids do not diffuse like liquids or gases?
a)
Their particles are too heavy to move.
b)
They have high melting points.
c)
Their particles are close together.
d)
There are strong attractive forces between the particles.
4.
Which of the following equations is incorrect?
a)
A
b)
B
c)
C
d)
D
5.
A molecule has two hydrogen atoms, one sulphur atom and four oxygen atoms. What is its chemical formula?
a)
2HS4O
b)
H2SO4
c)
H2S4O
d)
9HSO
6.
1 A molecule of ethane has a chemical formula of C2H6. How many atoms would there be in eight molecules of ethane?
a)
8
b)
15
c)
56
d)
64
7.
1 What is the number of electrons in a chlorine atom?
a)
17
b)
18
c)
18.5
d)
35.5
8.
1 Which one of the following has the least number of types of elements present?
a)
C6H12O6
b)
KMnO6
c)
NaCl
d)
MgSO4
9.
1 In the compound MgO, how many charges are there in the magnesium ion?
a)
3+
b)
3-
c)
2+
d)
2-
10.
What is an image that cannot be caught on screen known as?
a)
Imaginary
b)
Fake
c)
Real
d)
Virtual
11.
a)
A
b)
B
c)
C
d)
D
12.
a)
A
b)
B
c)
C
d)
D
13.
a)
A
b)
B
c)
C
d)
D
14.
a)
A
b)
B
c)
C
d)
D
15.
a)
A
b)
B
c)
C
d)
D
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