Exam (elaborations)
AQA GCSE MAY 2023 TRIPLE SCIENCE CHEMISTRY HIGHER TIER 8462 PAPER 1 ACTUAL PAPER
AQA GCSE MAY 2023 TRIPLE SCIENCE CHEMISTRY HIGHER TIER 8462 PAPER 1 ACTUAL PAPER
[Show more]
2 reviews
By: marialouisebennett • 11 months ago
By: theshadeoflife38 • 10 months ago
Check out tyrionpapers(dot)com or email tyrionlay(at)gmail(dot)com for more 2023 stuffs including topic tests and revision notes and https://jadeacademy(dot)sellpass(dot)io for aqa stuffs
By: adithyadnair • 1 year ago
By: theshadeoflife38 • 11 months ago
Check out tyrionpapers(dot)com or email tyrionlay(at)gmail(dot)com for more 2023 stuffs including topic tests and revision notes
Content preview
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller theshadeoflife38. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £10.22. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67474 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now