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The Periodic Table
June 2002
1
Air is a mixture of gases. 79% nitrogen
20% oxygen
1% other gases
Which substance is present in the other gases and is also unreactive? unre active? ‘
2
A
argon
B
carbon dioxide
C
hydrogen
D
water vapour
’
The proton numbers of four elements are shown. Which element is a metal?
element
proton number
A
34
B
35
C
36
D
37
November 2002
3
4
Which statement about the electrical conductivity of non-metals and the charge on their ions is correct?
electrical conductivity
charge on ions
A
good
positive
B
good
negative
C
poor
positive
D
poor
negative
A few drops of aqueous bromine are added to separate aqueous solutions of potassium chloride, potassium bromide and potassium iodide. Which solutions do
not
A
KBr and KCl only
B
KBr and KI only
C
KCl and KI only
D
KBr, KCl and KI
remove the colour of the bromine?
June 2003
5
Magnesium, on the left of Period Two of the Periodic Table, is more metallic than chlorine on the right of this Period. Why is this? Magnesium has A
fewer electrons.
B
fewer protons.
C
fewer fewer full shells of electrons.
D
fewer fewer outermost outer most electrons.
6
An inert gas X is used to fill weather balloons. Which descriptions of X are correct?
7
number of outer electrons in atoms of X
structure of gas X
A
2
single atoms
B
2
diatomic molecules
C
8
single atoms
D
8
diatomic molecules
A student is asked to complete two sentences. Metallic and non-metallic elements are classified in the …(i)… This can be used to …(ii)… the properties of elements. Which words correctly complete the gaps? gap (i)
gap (ii)
A
Periodic Table
measure
B
Periodic Table
predict
C
reactivity series
measure
D
reactivity series
predict
November 2003
8
Eight elements are numbered in the diagram of a Periodic Table.
Which numbers represent two relatively soft metals in the same group?
9
A
1 and 2
B
3 and 4
C
5 and 6
D
7 and 8
Vanadium is a transition metal. What are its likely properties?
10
density
appearance of compounds
A
0.61g/cm3
coloured
B
0.61g/cm3
white
C
6.1g/cm3
coloured
D
6.1g/cm3
white
The table gives information about four elements. Which element could be in Group I in the Periodic Table? element
metallic or non-metallic
reaction with water
A
metal
reacts
B
metal
no reaction
C
non-metal
reacts
D
non-metal
no reaction
June 2004
11
The diagrams show the arrangement of electrons in three different atoms.
1
2
3
e e
e e e e
e e e e e
key e electron
e e
e e
nucleus
e e Which atoms are metals? A
12
13
1 and 2 only
B
1 and 3 only
C
2 and 3 only
Which property do all metals have? A
They are hard.
B
They conduct electricity.
C
They form acidic oxides.
D
They react with water.
The diagram shows a light bulb. filament argon
Why is argon used instead of air in the light bulb? A
Argon is a good conductor of electricity.
B
Argon is more reactive than air.
C
The filament glows more brightly.
D
The filament lasts for a longer time.
D
1, 2 and 3
November 2004
14
Metals can be joined together by welding them at a high temperature. Why is an argon atmosphere often used?
15
A
Argon has a low density.
B
Argon is colourless.
C
Argon is inexpensive.
D
Argon is unreactive.
Part of the reactivity series is outlined below. aluminium carbon increasing reactivity
iron lead hydrogen copper
Electrolysis is an expensive way of extraction. Which metal has to be extracted from its ore by electrolysis? A
aluminium
B
copper
C
lead
D
iron
16
The diagram shows part of the Periodic Table.
X
Z
Y
Which statement about elements X, Y and Z is correct? The proton number of X is A
seven less than that of Z.
B
three less than that of Z.
C
one less than that of Y.
D
sixteen less than that of Y.
June 2005
17
18
The chemical properties of an element depend mainly on the number of A
electrons in the innermost shell.
B
electrons in the outermost shell.
C
fully occupied shells of electrons.
D
partly occupied shells of electrons.
An element
X is
in Group III of the Periodic Table.
Which property of
X can
be predicted from this fact?
A
the charge on an ion of
X
B
the colour of the ion of
C
the melting point of
D
the relative atomic mass, A , of
X
X r
X
19
The table compares the properties of Group I elements with those of transition elements. Which entry in the table is correct?
20
property
Group I elements
transition elements
A
catalytic activity
low
high
B
density
high
low
C
electrical conductivity
low
high
D
melting point
high
low
Caesium is near the bottom of Group I of the Periodic Table. What is the correct description of caesium? state at room temperature
reaction with cold water
A
liquid
reacts quickly
B
liquid
reacts slowly
C
solid
reacts quickly
D
solid
reacts slowly
November 2005
21
Which aqueous ion causes a yellow precipitate to form when acidified aqueous lead( II) nitrate is added to it? A
chloride
B
iodide
C
nitrate
D
sulphate
22
23
Which information about an element can be used to predict its chemical properties? A
colour of its compounds
B
density
C
melting point
D
position in the Periodic Table
The table shows some properties of four gases. Which gas is most suitable for filling weather balloons?
24
density compared with air
chemical reactivity
A
higher
reactive
B
higher
unreactive
C
lower
reactive
D
lower
unreactive
A data book gives the following information about an element. appearance
silver-grey solid
melting point
63 oC
density
0.86 g / cm3
reaction with water
vigorous reaction with cold water
Where is the element likely to be found in the Periodic Table? A
Group 0
B
Group I
C
Group VII
D
transition elements
June 2006
25
The equation shows the reaction between a halogen and aqueous bromide ions. X2
+
…1…
2Br –(aq)
→
2X–(aq)
+
Br 2 …3…
…2…
Which words should be written in gaps 1, 2 and 3?
26
1
2
3
A
chlorine
brown
colourless
B
chlorine
colourless
brown
C
iodine
brown
colourless
D
iodine
colourless
brown
The diagram shows an outline of part of the Periodic Table.
W X Y
Z
Which two elements could form a covalent compound? A
27
W and X
B
W and Y
C
X and Y
D
X and Z
A student is asked to complete two sentences. Metallic and non-metallic elements are classified in the ……1……. This can be used to ……2…… the properties of elements. Which words correctly complete the gaps? gap 1
gap 2
A
Periodic Table
measure
B
Periodic Table
predict
C
reactivity series
measure
D
reactivity series
predict
28
The diagram shows three balloons held by children. P
Q
R
carbon dioxide
helium
hydrogen
Which of the balloons float up into the air when the children let go? A
P only
B
P and R only
C
Q only
D
Q and R only
November 2006
29
The statements are about metals and their oxides. Metals …X… electrons to form ions. The oxides of metals are …Y…. Which words correctly complete the statements? X
Y
A
gain
acidic
B
gain
basic
C
lose
acidic
D
lose
basic
30
The diagram shows one stage in the manufacture of nitric acid from ammonia. heated platinum gauze
ammonia and air
products
What could be the use of the platinum gauze in this process?
31
A
as a base
B
as a catalyst
C
as a filter
D
as a fuel
An element does not conduct electricity but it does exist as diatomic molecules. In which area of the Periodic Table is the element to be found?
C D
A B
32
Which properties of helium explain its use in filling balloons? low density
its unreactivity
A
B
C
D
June 2007
33
Aqueous lead( II) nitrate is added to a solution containing iodide ions. Lead( II) iodide is formed. Which type of reaction takes place?
34
A
neutralisation
B
oxidation
C
precipitation
D
reduction
The diagram shows an outline of part of the Periodic Table.
W
X
Y Z
Which two elements could form a covalent compound? A
35
B
W and X
W and Y
C
X and Y
D
X and Z
Which substances react with aqueous potassium bromide to form bromine? chlorine
iodine
A
B
C
D
36
Why are some weather balloons filled with helium rather than hydrogen? A
Helium is found in air.
B
Helium is less dense than hydrogen.
C
Helium is more dense than hydrogen.
D
Helium is unreactive.
November 2007
37
Two tests are carried out on a solution containing both copper( II) sulphate and sodium chloride. A student records results as shown. test
reagent
result
1
aqueous barium chloride
blue precipitate
2
aqueous silver nitrate
white precipitate
Which results are correctly recorded? 1
2
A
B
C
D
38
Aqueous solution gas is given off.
S is
What could solution
39
S
added to aqueous ammonium chloride. The mixture is heated. Ammonia
contain?
A
aluminium
B
ammonium sulphate
C
sodium chloride
D
sodium hydroxide
Rubidium is below potassium in Group I of the Periodic Table. •
The melting point of rubidium is …...1…... than that of potassium.
•
The reaction of rubidium with water is ……2…… than that of potassium.
Which words correctly complete these statements?
40
1
2
A
higher
faster
B
higher
slower
C
lower
faster
D
lower
slower
The equation shows the reaction between a halogen and the aqueous ions of another halogen. X 2 +
What could X 2 and the colour of
–
Y
2Y – → 2 X – + Y 2
be? –
X 2
Y
A
chlorine
brown
B
chlorine
colourless
C
iodine
brown
D
iodine
colourless
41
The diagram shows a light bulb. filament argon
Why is argon used instead of air in the light bulb?
