0620/01/M/J/03

1 A solid metal is heated until it turns to vapour.

The graph shows the temperature of the metal during this process.

Which part of the graph shows the melting of the metal?

2200

500

time

temperature/C

AB

C

D

25

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2 What could be the melting point and boiling point of water containing a dissolved impurity?

3 Which number in the table is 1?

4 What is the electronic structure of an atom with a proton number 5 and a nucleon number 11?

A 1, 8, 2 B 2, 8, 1 C 2, 3 D 3, 2

5 What changes when an ion is made from an atom?

A the number of electrons only

B the number of neutrons only

C the number of protons only

D the number both of protons and of neutrons

6 Strontium, Sr, is a metal that forms an ionic chloride SrCl2.

Sulphur, S, is a non-metal that forms a covalent chloride SCl2.

Which compound is likely to have the higher melting point (m.p.) and which is more soluble inwater?

melting point / oC boiling point / oC

A +3 96

B +3 104

C 3 96

D 3 104

particle charge relative mass

electron A B

neutron C 1

proton D 1

more solublehigher m.p. in water

A SrCl2 SrCl2B SrCl2 SCl2C SCl2 SrCl2D SCl2 SCl2

27 Some students are asked to describe differences between gases and liquids.

Three of their suggestions are:

1 gas molecules are further apart;

2 gas molecules are smaller;

3 liquid molecules vibrate around fixed positions.

Which suggestions are correct?

A 1 only B 2 only C 3 only D 1, 2 and 3

8 A coloured liquid vaporises easily at room temperature. Some of the liquid is placed at the bottom

of a sealed gas jar.

Which diagram shows the appearance of the jar after several hours?

9 Measurements are made on some pure water.

its boiling point, b.p.

its freezing point, f.p.

its pH

Sodium chloride is now dissolved in the water and the measurements repeated.

Which measured values change?

b.p. f.p. pH

A

B

C

D

A DCB

coloured

liquid

coloured

vapour

coloured

vapour

coloured

vapour

310 The electronic structure of an element is shown.

e e

e e

e

e

e

e

e

e

e e

e electron

nucleus

key

Which diagram shows the electronic structure of another element in the same group in the

Periodic Table?

e e

e e

e e

e e

e e

e

e

e

e

e

e

e

e e

e e

e e

e e

e

e

e

e

e

e

e

e

BA

DC

11 In the diagrams, circles of different sizes represent atoms of different elements.

Which diagram can represent hydrogen chloride gas?

BA C D

4

12 In which of the following are the particles arranged in a regular pattern?

A a gas

B a liquid

C a metal

D a solution 13 A student mixes 25 cm3 samples of dilute hydrochloric acid with different volumes of aqueous

sodium hydroxide. Each time, the student measures the change in temperature to test if the reaction is exothermic.

Which piece of apparatus is not needed?

burette clock pipette thermometer

A B C D

14 In an experiment, a student needs to measure out 36.50 cm3 of a solution.

Which piece of apparatus would measure this volume most accurately?

A beaker

B burette

C measuring cylinder

D pipette

5

15 Two isotopes of helium are He3

2and He

4

2.

Which two diagrams show the arrangement of particles in these two isotopes?

p

n

2

1

e e

ep

n

2

2

e e

p

n

ee

eA

n

p

2

1

e e

ep

n

2

2

e e

e

eB

p

n

2

1

e e

p

n

2

2

e e

C

p3 p4

e e e e

D

key

electron

proton

neutron

nucleus

He32

42He

16 Which row gives the outer electronic shell of fluorine and of neon?

9F 10Ne

A 7 8

B 7 10

C 9 8

D 9 10

6

17 At room temperature, in which substance are the particles furthest apart?

A H2 B H2O C Mg D MgO 18 Which method can be used to obtain crystals from aqueous copper(II) sulphate?

A chromatography

B electrolysis

C evaporation

D neutralisation 19 Five elements have proton numbers 10, 12, 14, 16 and 18.

What are the proton numbers of the three elements that form oxides?

A 10, 12 and 14

B 10, 14 and 18

C 12, 14 and 16

D 14, 16 and 18 20 The rows P, Q and R in the table show three pairs of structures.

2 p1 n

e e

2 p2 n

e e

p

n

e

key

electron

neutron

proton

nucleus

atoms of the

same element

P

Q

RH

H

H

H

C H H

H

H

C

H

H

C

Which pair or pairs are isotopes?

A P only B P and Q only C Q only D Q and R only

21 Which numbers are added to give the nucleon number of an ion?

A number of electrons + number of neutrons

B number of electrons + number of protons

C number of electrons + number of protons + number of neutrons

D number of protons + number of neutrons

Which change to an atom occurs when it forms a positive ion?

A It gains an electron.

B It gains a proton.

C It loses an electron.

D It loses a proton.

23 For which compound is the formula correct?

compound formula

A ammonia NH4

B carbon dioxide CO

C potassium oxide P2O

D zinc chloride ZnCl2

7

22

24 A student investigates if, at 30 oC, the concentration of acid affects how rapidly it reacts with a known mass of magnesium.

The student has a beaker, concentrated acid, water and the apparatus below.

P a balance

Q a clock

R a measuring cylinder

S a thermometer

Which of these pieces of apparatus does the student use?

A P, Q and R only

B P, Q and S only

C Q, R and S only

D P, Q, R and S

25 The boiling point of liquid X is lower than that of water. To test a student, a teacher covers up the

numbers on a thermometer. The student places the thermometer in boiling liquid X.

The diagram represents part of the stem of this thermometer.

mercury

What could the temperature on the thermometer be?

A 75.5 C B 84.5 C C 104.5 C D 105.5 C

26 An atom has the symbol Xpq

.

Which value determines the position of the element in the Periodic Table?

A p

B q

C p q

D p + q

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27 A yellow precipitate is formed in the experiment shown.

flat dish containingdistilled water

yellow precipitate formsafter a few minutes

five drops ofaqueous lead(II) nitrate

five drops ofaqueous potassium iodide

How is the precipitate formed?

A Particles collide, diffuse and then react.

B Particles collide, react and then diffuse.

C Particles diffuse, collide and then react.

D Particles diffuse, react and then collide 28 A student is asked to measure the time taken for 4.00 g of magnesium carbonate to react

completely with 25.0 cm3 (an excess) of dilute hydrochloric acid.

Which pieces of apparatus does the student need?

A balance, clock, pipette

B balance, clock, thermometer

C balance, pipette, thermometer

D clock, pipette, thermometer

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29 The nucleon number and proton number of the lithium atom are shown by the symbol Li73

.

What is the correct symbol for the lithium ion in lithium chloride?

A 62Li

B 63Li

+ C 73Li

+ D 73Li

4 20 20 2,8,8,2

Which two particles belong to the same element?

A 1 and 2 B 1 and 4 C 2 and 3 D 2 and 4 6 What are the nucleon numbers for carbon and magnesium?

carbon magnesium

A 6 12

B 6 24

C 12 12

D 12 24

7 Which of the following can be used as a lubricant?

graphite a liquid fraction from petroleum

A

B

C

D

30 The table shows the numbers of particles present in the nuclei of four atoms or ions.

protons neutrons electron structure

1 18 22 2,8,8

2 19 20 2,8,8

3 19 21 2,8,8,1

4 20 20 2,8,8,2

Which two particles belong to the same element?

A 1 and 2 B 1 and 4 C 2 and 3 D 2 and 4 31 What are the nucleon numbers for carbon and magnesium?

carbon magnesium

A 6 12

B 6 24

C 12 12

D 12 24

9

32 Which numbers are added together to give the nucleon number of an ion?

A number of electrons + number of neutrons

B number of electrons + number of protons

C number of electrons + number of protons + number of neutrons

D number of protons + number of neutrons

10

32 The diagram shows how the molecules in the exhaust gases diffuse into the air.

molecules in air

molecules inexhaust gases

Which statement describes what happens to these molecules next?

A The molecules fall to the ground because they are heavier than air molecules.

B The molecules go back together as they cool.

C The molecules spread further into the air.

D The molecules stay where they are. 33 A student takes 2 g samples of calcium carbonate and adds them to 20 cm3 samples of dilute

hydrochloric acid at different temperatures. She measures how long it takes for the effervescence to stop.

Which apparatus does she use?

balance clock filter

funnel measuring

cylinder thermometer

A

B

C

D