Cambridge International Examinations

Cambridge International General Certificate of Secondary Education

* 9 1 7 4 6 3 0 8 3 6 *

CO-ORDINATED SCIENCES 0654/33

Paper 3 (Extended) May/June 2016
2 hours
Candidates answer on the Question Paper.
No Additional Materials are required.

READ THESE INSTRUCTIONS FIRST

Write your Centre number, candidate number and name on all the work you hand in.
Write in dark blue or black pen.
You may use an HB soft pencil for any diagrams or graphs.
Do not use staples, paper clips, glue or correction fluid.
DO NOT WRITE IN ANY BARCODES.

Answer all questions.

Electronic calculators may be used.
You may lose marks if you do not show your working or if you do not use appropriate units.
A copy of the Periodic Table is printed on page 36.

At the end of the examination, fasten all your work securely together.
The number of marks is given in brackets [ ] at the end of each question or part question.

This document consists of 34 printed pages and 2 blank pages.

DC (LK/JG) 110186/4
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1 Aluminium foil is made when aluminium is rolled into thin sheets.

Aluminium foil is used to make food containers and fizzy-drink cans.

roll of aluminium foil food container fizzy-drink can

(a) (i) State the property of aluminium that allows it to be rolled into thin sheets.

.......................................................................................................................................[1]

(ii) Many types of food and drink are acidic.

State the property of aluminium that makes it suitable for making food containers and
fizzy-drink cans.

.......................................................................................................................................[1]

(b) Aluminium used to make fizzy-drink cans contains small amounts of other metals.

As well as the liquid, the fizzy-drink can contains gas under pressure.

(i) State the word used for a mixture of metals.

.......................................................................................................................................[1]

(ii) Suggest a reason why aluminium containing small amounts of other metals, rather than
pure aluminium, is used for fizzy-drink cans.

...........................................................................................................................................

...........................................................................................................................................

.......................................................................................................................................[2]

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(c) Fig. 1.1 shows the industrial electrolysis that is used to extract aluminium from aluminium
oxide.

d.c. power
supply
– +
carbon
electrodes

gas bubbles electrolyte

(mixture of aluminium oxide
and cryolite)

aluminium

Fig. 1.1

(i) Explain why the process shown in Fig. 1.1 only works when the electrolyte is strongly
heated.

...........................................................................................................................................

...........................................................................................................................................

...........................................................................................................................................

.......................................................................................................................................[2]

(ii) State the number of electrons that each aluminium ion gains from the cathode during
electrolysis.

Give a reason for your answer.

number of electrons ..................

reason ...............................................................................................................................

...........................................................................................................................................

.......................................................................................................................................[2]

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(iii) Fig. 1.2 shows an unused carbon anode and how it looks after being used for several
days.

unused anode anode after

several days

Fig. 1.2

State the balanced chemical equation for a reaction that causes this loss of mass of the
anode material during electrolysis.

.......................................................................................................................................[2]

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2 (a) Fig. 2.1 shows some blood, as seen through a microscope.

Fig. 2.1

(i) Name the part of the blood labelled W.

.......................................................................................................................................[1]

(ii) The cell labelled X carries out phagocytosis. Describe the process of phagocytosis.

...........................................................................................................................................

...........................................................................................................................................

.......................................................................................................................................[2]

(iii) Describe how the cell labelled Y would respond if a person received a blood transfusion
of the wrong blood type, and describe the effect that this response would have.

response of the cells

...........................................................................................................................................

...........................................................................................................................................

effect of this response

...........................................................................................................................................

...........................................................................................................................................
[2]

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(b) (i) State how the function of an artery differs from the function of a vein.

...........................................................................................................................................

.......................................................................................................................................[1]

(ii) Explain why it is important that arteries have thick walls.

...........................................................................................................................................

...........................................................................................................................................

.......................................................................................................................................[2]

(iii) Describe the function of the elastic tissue in the artery wall.

...........................................................................................................................................

...........................................................................................................................................

.......................................................................................................................................[2]

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3 (a) Some oil leaks from an oil tanker. It forms a very thin layer of oil on the surface of the seawater.

The layer of oil covers a rectangular area measuring 2.5 × 103 m by 5.0 × 103 m.

The layer of oil is 3.0 × 10–6 m (0.000 003 m) thick.

(i) Calculate the volume of the layer of oil leaked.

volume = ..................................................... m3 [1]

(ii) The density of the oil is 880 kg / m3.

Calculate the mass of the oil that leaked from the oil tanker.

State the formula you use and show your working.

formula

working

mass = ..................................................... kg [2]

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(b) The oil tanker is carrying crude oil. Crude oil is a non-renewable energy resource.

Other energy resources are shown in Table 3.1.

Table 3.1

non-renewable renewable
coal
geothermal energy
hydroelectricity
natural gas
solar
energy from ocean waves
tidal energy

Identify two non-renewable energy resources by placing a tick (✓) in the non-renewable
column.

Identify two renewable energy resources by placing a tick (✓) in the renewable column.
[1]

(c) The depth of the sea below the oil tanker is determined by sending out pulses of ultrasound
waves through the water. The ultrasound pulses reflect off the sea bed and the echoes are
detected on the oil tanker.

(i) Humans cannot hear ultrasound waves.

State the normal audible frequency range for a human.

from ........................................... Hz to ........................................... Hz [1]

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(ii) The echo of an ultrasound wave emitted by the oil tanker is detected 1.2 seconds later.
The speed of ultrasound waves in water is 1500 m / s.

Calculate the depth of the sea below the oil tanker.

State the formula you use and show your working.

formula

working

distance = ...................................................... m [2]

(iii) When ultrasound waves pass through the water, they travel as a series of compressions
(C) and rarefactions (R).

Fig. 3.1 shows the positions of the compressions and rarefactions as the ultrasound
wave passes through the water.

C R C R C R C R C R C

Fig. 3.1

On Fig. 3.1, sketch a similar ultrasound wave with an increased wavelength. Show the
compressions (C) and rarefactions (R).

Label one wavelength on your drawing using a double headed arrow ( ). [1]

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4 In the African savannah (grassland), zebras feed on grass. They are preyed on by carnivores,
such as lions. The lions have fleas in their fur. The fleas feed on the lions’ blood.

(a) Construct a food chain containing four organisms, based on this description.

[2]

(b) State the term that describes

(i) an area such as the savannah, with all the organisms in it and their environment,
interacting together,

.......................................................................................................................................[1]

(ii) the position of an organism in a food chain,

.......................................................................................................................................[1]

(iii) an organism that gets its energy from dead or waste organic matter.

.......................................................................................................................................[1]

(c) State and explain which one of the four organisms described above has the most energy
flowing through it.

...................................................................................................................................................

...............................................................................................................................................[2]

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5 (a) Fig. 5.1 shows two headlamps in a car. The headlamps are connected in parallel with the
battery. A switch and a fuse are also connected in the circuit.

battery switch

fuse

lamps

Fig. 5.1

(i) Draw the circuit diagram for the car headlamps, shown in Fig. 5.1, using circuit symbols.

[2]

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(ii) The car battery provides an e.m.f. of 12 V. When the headlamps are switched on, there is
a current of 1.5 A through each headlamp.

Calculate the charge that passes through one headlamp in 5 minutes.

State the formula you use and show your working. Give the unit of your answer.

formula

working

charge = ........................ unit = .................. [3]

(b) The headlamps of the car emit visible light of several different wavelengths. One of the
wavelengths is 4.8 × 10–7 m.

(i) The frequency of this light is 6.25 × 1014 Hz.

Calculate the speed of this light.

State the formula you use and show your working.

formula

working

speed = ................................................... m / s [2]

(ii) Visible light is part of the electromagnetic spectrum.

State one property that is the same for all electromagnetic waves.

.......................................................................................................................................[1]

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(c) A small panel of the bodywork of the car is painted using an electrostatic paint spray gun.

The paint droplets leave the spray gun with a positive electric charge.

The bodywork panel is given a negative electric charge.

This is shown in Fig. 5.2.

+ –

positively charged
paint droplets
negatively charged
bodywork panel

paint

Fig. 5.2

Explain why this method spreads the paint evenly.

...................................................................................................................................................

...................................................................................................................................................

...............................................................................................................................................[2]

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(d) The driver of a car sees a bus in his mirror, as shown on Fig. 5.3.

SUB

Fig. 5.3

Apart from any changes in size, describe one characteristic of the image that he sees.

...............................................................................................................................................[1]

(e) It has been raining and there is a large puddle of water on the road.

State two factors that would increase the rate at which the water evaporates from the puddle.

1 .............................................................................

2 ............................................................................. [2]

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6 (a) Fig. 6.1 shows what happens when a sperm fertilises an egg, and how the cell produced by
fertilisation then divides.

fertilisation

Fig. 6.1

(i) On Fig. 6.1, label,

with the letter D, a cell that is diploid,

with the letter H, a cell that is haploid.

[1]

(ii) Name the type of cell division that is occurring at P.

.......................................................................................................................................[1]

(iii) The sperm cell contains 23 chromosomes. State the number of chromosomes in

the egg cell before it is fertilised, .......................................................................................

the fertilised egg. ...............................................................................................................

[2]

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(b) Sexual reproduction increases variety within a species.

(i) Name another process that can produce completely new varieties within a species.

.......................................................................................................................................[1]

(ii) Explain how variety in a species could be important for the survival of the population if

the climate where a population of plants is growing becomes much drier,

...........................................................................................................................................

...........................................................................................................................................

an antibiotic is used against a population of bacteria.

...........................................................................................................................................

...........................................................................................................................................
[2]

(c) Fig. 6.2 shows the frequency of different blood groups within a population of people.

40
percentage
of people
/%

20

0
A B AB O
blood group

Fig. 6.2

(i) In Fig. 6.2, state which is the most common blood group.

.......................................................................................................................................[1]

(ii) Name the type of variation that is shown by blood groups in humans.

.......................................................................................................................................[1]

(iii) State what causes people to have different blood groups.

.......................................................................................................................................[1]
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7 (a) A black powder, Q, is added to an aqueous solution of a compound R and a gas is released.

The gas relights a glowing splint.

Name the gas released in this reaction.

...............................................................................................................................................[1]

(b) Fig. 7.1 shows apparatus and materials a student uses to investigate the speed of the reaction
described in (a).

gas syringe

piston

gas bubbles

solution of compound R

2.0 g of black powder Q

Fig. 7.1

The student measures the total volume of gas released during the reaction.

Her results are shown as a graph in Fig. 7.2 on page 18.

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80 B C

60

volume of
gas / cm3
40

A
20

0
0 10 20 30 40 50 60 70 80
time / s

Fig. 7.2

(i) State at which point, A, B or C, the speed of reaction is greatest.

Explain your answer.

point ................

explanation ........................................................................................................................

.......................................................................................................................................[1]

(ii) State the time taken for the reaction to finish.

.......................................................................................................................................[1]

(iii) Explain your answer to (b) (ii).

...........................................................................................................................................

.......................................................................................................................................[1]

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(c) The student added exactly 2.0 g of powder Q to the solution of R when she carried out her
experiment.

The black powder Q is a catalyst for the decomposition of compound R.

State the mass of Q which remains when R has fully decomposed. Explain your answer.

mass of Q remaining ............................. g

explanation ...............................................................................................................................

...................................................................................................................................................

...............................................................................................................................................[2]

(d) The student repeats the experiment using a solution of R that has a higher concentration.

Predict and explain, in terms of particle collisions, the effect this has on the speed of reaction.

...................................................................................................................................................

...................................................................................................................................................

...................................................................................................................................................

...............................................................................................................................................[3]

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8 Fig. 8.1 shows the inside of a refrigerator.

freezing
compartment

Fig. 8.1

(a) The air inside the refrigerator is cooled by convection.

The cold air moves downwards from the freezing compartment and displaces warm air which
moves upwards.

Explain this movement in terms of particles.

...................................................................................................................................................

...................................................................................................................................................

...............................................................................................................................................[2]

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(b) Some ice has been made by freezing some water.

Fig. 8.2 shows the arrangement of the particles in a liquid and in a solid.

A B

Fig. 8.2

Use the letters A or B from Fig. 8.2 to fill in the blank and complete the statement to explain
your choice.

Diagram ................... shows a liquid because the particles ......................................................

...................................................................................................................................................

...............................................................................................................................................[2]

(c) Some ice from the freezing compartment is allowed to melt at 0 °C.

Explain why energy is required to melt the ice even though the temperature remains at 0 °C.

...................................................................................................................................................

...................................................................................................................................................

...............................................................................................................................................[1]

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(d) The refrigerator has two lamps connected in parallel. The resistance of each lamp is 5500 Ω.

Calculate the combined resistance of the two lamps.

State the formula you use and show your working.

formula

working

resistance = ...................................................... Ω [2]

(e) The mass of air in the refrigerator is 0.20 kg. The air in the refrigerator is cooled by 15 °C.

This removes 3.03 J of thermal energy from the air.

Calculate the specific heat capacity of air.

State the formula you use and show your working.

formula

working

specific heat capacity = ............................................. J / kg °C [2]

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(f) The pump in the refrigerator is powered by an electric motor.

Fig. 8.3 shows a simple electric motor.

magnetic field
coil

N S
electric current

split ring
commutator brushes

Fig. 8.3

Explain why the coil turns when an electric current passes through it.

Your answer should refer to the current, any magnetic fields and the forces acting.

...................................................................................................................................................

...................................................................................................................................................

...................................................................................................................................................

...................................................................................................................................................

...................................................................................................................................................

...................................................................................................................................................

...............................................................................................................................................[3]

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9 Table 9.1 shows information about some of the elements found in the second period of the Periodic
Table.

Table 9.1

Group IV V VI VII VIII

element symbol C N O F Ne

proton number 6 7 8 9 10
relative atomic
12 14 16 19 20
mass

(a) (i) Explain the meanings of the following.

Carbon has a proton number of 6.

...........................................................................................................................................

...........................................................................................................................................

Oxygen has a relative atomic mass of 16.

...........................................................................................................................................

...........................................................................................................................................

...........................................................................................................................................
[2]

(ii) Calculate the relative molecular mass of fluorine, F2.

Show your working.

............................................................[1]

(iii) State, in terms of atomic structure, which of the elements shown in Table 9.1 does not
form compounds. Explain your answer.

...........................................................................................................................................

...........................................................................................................................................

.......................................................................................................................................[2]

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(b) (i) Describe the arrangement of the electrons in a nitrogen atom. You may draw a diagram if
it helps your answer.

...........................................................................................................................................

.......................................................................................................................................[2]

(ii) Complete the covalent bonding diagram of a nitrogen molecule.

Your diagram should show only the electrons in the outer shells.

N N

[2]

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10 A student pinned a young bean plant to a cork board. The plant was on its side with light shining
on it from above, as shown in Fig. 10.1.

light

cork board

pin

bean plant

stand

Fig. 10.1

Fig. 10.2 shows the appearance of the plant after two days.

light

cork board

stand

Fig. 10.2

(a) The student’s experiment demonstrated that the bean plant shows sensitivity.

Define the term sensitivity.

...................................................................................................................................................

...................................................................................................................................................

...............................................................................................................................................[2]

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(b) The student concluded that his experiment showed that the plant stem responds to light by
growing towards it.

(i) State the name for the type of response where a plant grows towards the light.

.......................................................................................................................................[1]

(ii) The student’s experiment does not justify his conclusion. Explain why not.

...........................................................................................................................................

...........................................................................................................................................

.......................................................................................................................................[2]

(iii) Describe, in terms of auxins, what causes the plant stem to change its direction of growth.

...........................................................................................................................................

...........................................................................................................................................

.......................................................................................................................................[2]

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11 An athlete is training for a race. He runs along a race track.

(a) Fig. 11.1 shows the speed / time graph for the athlete’s run.

speed 6
m/s
5

0
0 10 20 30 40 50
time / s

Fig. 11.1

(i) Calculate the distance travelled by the athlete.

Show your working.

distance = ...................................................... m [3]

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(ii) The mass of the athlete is 80 kg. Calculate the kinetic energy of the athlete when he is
moving at his maximum speed.

State the formula you use and show your working.

formula

working

kinetic energy = ........................................................ J [2]

(b) Fig 11.2 shows the athlete running at his maximum speed.

Fig. 11.2

Two forces acting on the athlete are his weight A and air resistance B, which slows the athlete.

Draw arrows on Fig. 11.2 to show the directions of these two forces. Label each force clearly
using the letters A and B. [2]

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12 Fig. 12.1 shows two processes, L and M, which are important in the petrochemical industry.

hot catalyst

alkanes
mixture of
alkanes
and alkenes
process M

hot
petroleum

process L

Fig. 12.1

(a) (i) Name processes L and M.

L ........................................................................................................................................

M .......................................................................................................................................
[2]

(ii) State two features of a typical alkane molecule.

1 ........................................................................................................................................

2 ........................................................................................................................................
[2]

(b) Complete the diagram to show the structure of a molecule of ethene.

H
I
C
I
H
[2]

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(c) Bromine reacts with ethene to form a compound that has the formula C2H4Br2.

(i) Name the type of chemical reaction that occurs between ethene and bromine.

.......................................................................................................................................[1]

(ii) The balanced equation for the reaction is shown.

C2H4 + Br2 C2H4Br2

State the colour, if any, of the compound that has the formula C2H4Br2.

.......................................................................................................................................[1]

(iii) A solution of bromine contains 0.00625 moles of bromine molecules.

Calculate the mass of the compound C2H4Br2 that is produced when this bromine reacts
completely with excess ethene.

The relative atomic masses of the elements may be found in the Periodic Table on
page 36.

Show your working.

mass = ....................................................... g [2]

(iv) Describe the reaction, if any, between bromine and ethane.

...........................................................................................................................................

.......................................................................................................................................[1]

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13 Scientists have investigated the possibility of humans living on the planet Mars. To live on Mars
people would need to grow plants on the planet.

(a) Explain why humans would be dependent on these plants.

...................................................................................................................................................

...............................................................................................................................................[1]

(b) Table 13.1 shows some of the conditions on Mars, compared to Earth.

Table 13.1

Earth Mars

distance from the

149.6 227.9
Sun / millions of km
mean surface
14 –55
temperature / °C
carbon dioxide in
0.03 95
the atmosphere / %

availability of water large amounts traces

(i) Explain why the distance of the planet from the Sun would be important for plants growing
on Mars.

...........................................................................................................................................

...........................................................................................................................................

.......................................................................................................................................[2]

(ii) State how the carbon dioxide concentration of the atmosphere on Mars (compared to
that on Earth) affects plant growth. Explain your answer.

...........................................................................................................................................

...........................................................................................................................................

.......................................................................................................................................[1]

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(iii) If large numbers of plants were grown on Mars for a long period of time, predict how this
might change the planet’s atmosphere. Explain your answer.

change

...........................................................................................................................................

...........................................................................................................................................

explanation

...........................................................................................................................................

...........................................................................................................................................
[2]

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BLANK PAGE

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 The Periodic Table of Elements
Group

© UCLES 2016
I II III IV V VI VII VIII
1 2

the live examination series.

H He
hydrogen helium
Key 1 4
3 4 atomic number 5 6 7 8 9 10
Li Be atomic symbol B C N O F Ne
lithium beryllium name boron carbon nitrogen oxygen fluorine neon
7 9 relative atomic mass 11 12 14 16 19 20
11 12 13 14 15 16 17 18

Na Mg Al Si P S Cl Ar
sodium magnesium aluminium silicon phosphorus sulfur chlorine argon
23 24 27 28 31 32 35.5 40
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
potassium calcium scandium titanium vanadium chromium manganese iron cobalt nickel copper zinc gallium germanium arsenic selenium bromine krypton
39 40 45 48 51 52 55 56 59 59 64 65 70 73 75 79 80 84
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
rubidium strontium yttrium zirconium niobium molybdenum technetium ruthenium rhodium palladium silver cadmium indium tin antimony tellurium iodine xenon
36

85 88 89 91 93 96 – 101 103 106 108 112 115 119 122 128 127 131
55 56 57–71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86

0654/33/M/J/16
lanthanoids
Cs Ba Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
caesium barium hafnium tantalum tungsten rhenium osmium iridium platinum gold mercury thallium lead bismuth polonium astatine radon
133 137 178 181 184 186 190 192 195 197 201 204 207 209 – – –
87 88 89–103 104 105 106 107 108 109 110 111 112 114 116
actinoids
Fr Ra Rf Db Sg Bh Hs Mt Ds Rg Cn Fl Lv
francium radium rutherfordium dubnium seaborgium bohrium hassium meitnerium darmstadtium roentgenium copernicium flerovium livermorium
– – – – – – – – – – – – –

57 58 59 60 61 62 63 64 65 66 67 68 69 70 71
lanthanoids La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
lanthanum cerium praseodymium neodymium promethium samarium europium gadolinium terbium dysprosium holmium erbium thulium ytterbium lutetium
139 140 141 144 – 150 152 157 159 163 165 167 169 173 175
89 90 91 92 93 94 95 96 97 98 99 100 101 102 103
actinoids Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr
actinium thorium protactinium uranium neptunium plutonium americium curium berkelium californium einsteinium fermium mendelevium nobelium lawrencium
– 232 231 238 – – – – – – – – – – –

The volume of one mole of any gas is 24 dm3 at room temperature and pressure (r.t.p.)

Examinations Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download at www.cie.org.uk after
To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the Cambridge International