Exam (elaborations)
GCSE AQA May 2024 Higher Triple Science Chemistry Paper 1
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This is the GCSE AQA 2024 Higher Tier Triple Science Chemistry - Paper 1, Actual Exam Paper.
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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
Monday 22 May 2023 Morning Time allowed: 1 hour 45 minutes
Materials
For this paper you must have: For Examiner’s Use
• a ruler
• a scientific calculator Question Mark
• the periodic table (enclosed). 1
2
Instructions
• Use black ink or black ball-point pen. 3
• Pencil should only be used for drawing. 4
• Fill in the boxes at the top of this page.
5
• Answer all questions in the spaces provided. Do not write outside
the box around each page or on blank pages. 6
• 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
• Do all rough work in this book. Cross through any work you do not want
to be marked. 9
• In all calculations, show clearly how you work out your answer. 10
Information TOTAL
• 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.
*JUN2384621H01*
IB/M/Jun23/E15 8462/1H
, 2
Do not write
outside the
0 1 Discoveries in chemistry led to a better understanding of atomic structure. box
0 1 . 1 Atoms were originally thought to be tiny spheres that could not be divided.
The plum pudding model of the atom was then developed.
Figure 1 represents the plum pudding model of the atom.
Figure 1
Describe the plum pudding model of the atom.
[2 marks]
0 1 . 2 Atoms contain electrons, neutrons and protons.
Write these three particles in order of their discovery.
[1 mark]
Earliest
Latest
*02*
IB/M/Jun23/8462/1H
, 3
Do not write
outside the
Very few atoms of the element tennessine (Ts) have ever been identified. box
The atomic number of tennessine is 117
0 1 . 3 Predict the number of outer shell electrons in an atom of tennessine.
Give one reason for your answer.
Use the periodic table.
[2 marks]
Number of outer shell electrons
Reason
0 1 . 4 Tennessine was first identified by a small group of scientists in 2010.
Suggest one reason why tennessine was not accepted as a new element by other
scientists until 2015.
[1 mark]
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun23/8462/1H
, 4
Do not write
outside the
0 1 . 5 The discovery of isotopes explained why some relative atomic masses are not box
whole numbers.
Element R has two isotopes.
Table 1 shows the mass numbers and percentage abundances of the isotopes of
element R.
Table 1
Mass number Percentage abundance (%)
6 7.6
7 92.4
Calculate the relative atomic mass (Ar) of element R.
Give your answer to 1 decimal place.
[3 marks]
Relative atomic mass (1 decimal place) = 9
*04*
IB/M/Jun23/8462/1H
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