Chemistry AQA GCSE past paper

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Question

General Certificate of Secondary Education
Higher Tier
June 2013

Science A

CH1HP

H

Unit Chemistry C1

Chemistry

Unit Chemistry C1
Monday 10 June 2013

1.30 pm to 2.30 pm

Mark

1
2
3
4
5
6
7
TOTAL

For this paper you must have:
 a ruler
 the Chemistry Data Sheet (enclosed).
You may use a calculator.

Time allowed
 1 hour
Instructions
 Use black ink or black ball-point pen.
 Fill in the boxes at the top of this page.
 Answer all questions.
 You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages.
 Do all rough work in this book. Cross through any work you do not want to be marked.
Information
The marks for questions are shown in brackets.
 The maximum mark for this paper is 60.
 You are expected to use a calculator where appropriate.
 You are reminded of the need for good English and clear presentation in your answers.
 Question 3(b) should be answered in continuous prose.
In this question you will be marked on your ability to:
– use good English
– organise information clearly
– use specialist vocabulary where appropriate.


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



(JUn13CH1Hp01)

K94749

6/6/

CH1HP

2

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

1

Aluminium has many uses.

1 (a)

An aluminium atom has 13 electrons.

1 (a) (i)

Draw the electronic structure of an aluminium atom.

Nucleus

(1 mark)
1 (a) (ii) Name the two sub-atomic particles in the nucleus of an aluminium atom.
.................................................................. and ..................................................................
(1 mark)
1 (a) (iii) Why is there no overall electrical charge on an aluminium atom?