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PEARSON EDEXCEL ACTUAL 2024 9CH0/01 GCE In Chemistry (9CH0) Paper 01: Advanced Inorganic and Physical Chemistry Question Paper & Mark Scheme$12.49
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PEARSON EDEXCEL
ACTUAL 2024
9CH0/01
GCE
In Chemistry (9CH0)
Paper 01: Advanced Inorganic and
Physical Chemistry
Question Paper & Mark
Scheme
Ace your Mocks!!!
, surname names
Number Number
■ ■
Morning (Time: 1 hour 45 minutes) Paper
Advanced
Chemistry
PAPER 1: Advanced Inorganic and Physical Chemistry
Instructions
• Use black ink or ball-point pen.
• If pencil is used for diagrams/sketches/graphs it must be dark (HB or B). centre
• number andboxes
Fill in the candidate
at thenumber.
top of this page with your name,
•• Answer all questions
the questions.in the spaces provided –
there may be more space than you need.
Information
•• The total mark for this paper is 90.
The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• For the question marked with an asterisk (*), marks will be awarded for your ability
to structure your answer logically, showing the points that you make are related or
follow on from each other where appropriate.
• A Periodic Table is printed on the back cover of this paper.
, Advice
• Read each
Show all question
your workingcarefully before
in calculations andyou startunits
include to answer it.
where appropriate.
• Check your answers if you have time at the end.
TURN OVER
, ANSWER ALL QUESTIONS.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 This question is about atomic structure.
(a) Complete the table.
(3)
Species Number of protons Number of neutrons Number of electrons
32
S
33
S
34 2−
S
(b) A sample of sulfur was found to contain only four isotopes.
(i) Complete the table to show the percentage abundance of 34S.
DO NOT WRITE IN THIS AREA
(1)
32 33 34 36
Isotope S S S S
Percentage
95.02 0.75 0.02
abundance
(ii) Calculate the relative atomic mass (Ar) of the sulfur in this sample using the data in
the table. Give your answer to two decimal places.
(2)
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