IB/M/Jun20/

E14

8462/1H

H

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.

*JUN20 4621H01*

For Examiner’s Use

Questio

n

Mark

1

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TOTAL

GCSE

CHEMISTRY

Higher Tier

8462/1 Paper 1

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IB/M/

Jun20/8462/1H

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This question is about structure and bonding. box

. Which two substances have intermolecular forces between

particles?

Tick () two boxes.

[2 marks]

Diamond

Magnesium

Poly(ethene)

Sodium

chloride

Water

. 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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*03

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Compare the structure and bonding of the three

compounds:

 carbon dioxide

 magnesium oxide

 silicon dioxide.

[6 marks]

box

Turn over for the next question

Turn over ►

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outside the

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This question is about metals and the reactivity series. box

. Which two statements are properties of most transition

metals?

Tick () two boxes.

[2 marks]

They are soft metals.

They form colourless compounds.

They form ions with different

charges.

They have high melting points.

They have low densities.

. 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]

0 2

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