There are forty questions on this paper. Answer all questions. For each question there are four possible
answers A, B, C and D.
Choose the one you consider correct and record your choice in soft pencil
1
Sodium chloride is a liquid at 900 C.
How are the particles arranged and how do the particles move in sodium chloride at 900 C?
2
arrangement of particles
motion of particles
A
regular
vibrate about a fixed point
B
regular
move randomly
C
random
vibrate about a fixed point
D
random
move randomly
Calcium reacts with chlorine to produce calcium chloride.
What happens when a calcium ion forms during this reaction?
3
4
A
The calcium atom gains one electron.
B
The calcium atom gains two electrons.
C
The calcium atom loses one electron.
D
The calcium atom loses two electrons.
Which row describes the formation of single covalent bonds in methane?
A
atoms share a pair of electrons
both atoms gain a
noble gas electronic structure
B
atoms share a pair of electrons
both atoms have the same number
of electrons in their outer shell
C
electrons are transferred from one
atom to another
both atoms gain a
noble gas electronic structure
D
electrons are transferred from one
atom to another
both atoms have the same number
of electrons in their outer shell
The compound magnesium nitrate has the formula Mg(NO3)2.
What is the relative formula mass of magnesium nitrate?
A
86
B
134
5
Which process is a physical change?
C
148
D
172
6
A
burning wood
B
cooking an egg
C
melting an ice cube
D
rusting iron
Four different solutions are separately tested with blue litmus and with methyl orange. Each
solution is known to be either acidic or alkaline. The results are shown.
solution
result with
blue litmus
result with
methyl orange
1
red
red
2
red
yellow
3
blue
yellow
4
blue
yellow
Which statement is correct?
7
A
Solutions 1 and 4 are acidic.
B
Solutions 1 and 2 are alkaline.
C
Solutions 3 and 4 are alkaline.
D
Solutions 3 and 4 are acidic.
The properties of an element are shown.
electrical conductivity
density
reaction with water
high
low
reacts violently with cold water
Which element has these properties?
A
B
C
D
8
Which statement about elements in Group VIII of the Periodic Table is correct?
A
They all have a full outer shell of electrons.
B
They all react with Group I elements to form ionic compounds.
9
C
They are all diatomic molecules.
D
They are all liquids at room temperature.
Why is aluminium used to make containers for storing food?
A
It conducts electricity.
B
It has a high melting point.
C
It is resistant to corrosion.
D It is strong.
1
The carbon cycle is shown.
atmospheric
carbon dioxide
X
respiration
decomposition
Y
Z
green plants
dead
organic matter
death and excretion
animals
Which row describes processes X, Y and Z?
X
Y
Z
A
respiration
combustion
photosynthesis
B
respiration
photosynthesis
combustion
C
photosynthesis
combustion
respiration
D
photosynthesis
respiration
combustion
1
(a) The table shows the percentage by mass of the elements on Earth and in the Universe.
element
percentage by
mass on Earth
percentage by mass
in the Universe
helium
0.0
21.0
hydrogen
0.1
76.0
iron
35.0
1.0
magnesium
14.0
0.1
oxygen
29.0
0.8
silicon
14.0
0.1
sulfur
2.9
0.1
other elements
total
0.9
100.0
100.0
Answer these questions using only the information in the table.
(i)
Deduce the percentage by mass of other elements present on Earth.
.............................. % [1]
(ii)
Which non-metallic element is present on Earth in the greatest percentage by mass?
....................................................................................................................................... [1]
(iii)
Give two major differences in the percentage by mass of the elements on Earth and in the
Universe.
1 ..........................................................................................................................................
.............................................................................................................................................
2 ..........................................................................................................................................
.............................................................................................................................................
[2]
(b) Complete the diagram to show the electron arrangement in an oxygen atom.
[1]
(c) Helium, neon and argon are noble gases.
(i)
Explain, in terms of the electronic structure, why neon is unreactive.
.............................................................................................................................................
....................................................................................................................................... [1]
(ii)
State one use of argon.
....................................................................................................................................... [1]
[Total: 7]
(a) Complete the table to show the number of electrons, protons and neutrons in the sulfur atom
and copper ion shown.
number of
electrons
number of
neutrons
number of
protons
34S
16
63
2+
29Cu
29