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A-level
CHEMISTRY
Paper 1 Inorganic and Physical Chemistry
Monday 10 June 2024 Morning Time allowed: 2 hours
Materials
For this paper you must have: For Examiner’s Use
• the Periodic Table/Data Booklet, provided as an insert (enclosed)
• a ruler with millimetre measurements Question Mark
• a scientific calculator, which you are expected to use where appropriate. 1
2
Instructions
• Use black ink or black ball-point pen. 3
• Fill in the boxes at the top of this page. 4
• Answer all questions. 5
• You must answer the questions in the spaces provided. Do not write outside
6
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 7
this book. Write the question number against your answer(s). 8
• All working must be shown. 9
• Do all rough work in this book. Cross through any work you do not
want to be marked. TOTAL
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 105.
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2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 This question is about atomic structure.
0 1 . 1 In 1897 JJ Thomson discovered the electron. He suggested that atoms were
positively charged spheres with electrons embedded within them.
Figure 1 represents an atom using Thomson’s model.
Figure 1
Suggest the identity of this atom.
Give two differences between the modern model of an atom and the Thomson model
of an atom.
[3 marks]
Identity
Difference 1
Difference 2
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