*JUN2084621H01*

IB/M/Jun20/E14 8462/1H

For Examiner’s Use

Question Mark

1

2

3

4

5

6

7

8

9

TOTAL

Thursday 14 May 2020 Morning Time allowed: 1 hour 45 minutes

Materials

For this paper you must have:

• a ruler

• a calculator

• the periodic table (enclosed).

Instructions

• Use black ink or black ball-point pen.

• Pencil should only be used for drawing.

• Fill in the boxes at the top of this page.

• Answer all questions in the spaces provided. Do not write outside

the box around each page or on blank pages.

• If you need extra space for your answer(s), use the lined pages at the end of

this book. Write the question number against your answer(s).

• Do all rough work in this book. Cross through any work you do not want

to be marked.

• In all calculations, show clearly how you work out your answer.

Information

• The maximum mark for this paper is 100.

• The marks for questions are shown in brackets.

• You are expected to use a calculator where appropriate.

• You are reminded of the need for good English and clear presentation

in your answers.

Please write clearly in block capitals.

Centre number Candidate number

Surname

Forename(s)

Candidate signature

I declare this is my own work.

GCSE

CHEMISTRY

Higher Tier Paper 1

H

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IB/M/Jun20/8462/1H

Do not write

outside the

0 1 This question is about structure and bonding. box

0 1 . 1 Which two substances have intermolecular forces between particles?

[2 marks]

Tick () two boxes.

Diamond

Magnesium

Poly(ethene)

Sodium chloride

Water

0 1 . 2 Table 1 shows the structures of three compounds.

Table 1

Compound Structure

Carbon dioxide

Magnesium oxide

Silicon dioxide

Diagrams not to scale

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3

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Turn over ►

IB/M/Jun20/8462/1H

Do not write

outside the

Compare the structure and bonding of the three compounds: box

• carbon dioxide

• magnesium oxide

• silicon dioxide.

[6 marks]

Turn over for the next question

8

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IB/M/Jun20/8462/1H

Do not write

outside the

0 2 This question is about metals and the reactivity series. box

0 2 . 1 Which two statements are properties of most transition metals?

[2 marks]

Tick () two boxes.

They are soft metals.

They form colourless compounds.

They form ions with different charges.

They have high melting points.

They have low densities.

0 2 . 2 A student added copper metal to colourless silver nitrate solution.

The student observed:

• pale grey crystals forming

• the solution turning blue.

Explain how these observations show that silver is less reactive than copper.

[3 marks]

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