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2024 Pearson Edexcel GCE In Chemistry (9CH0) Paper 01: Advanced Inorganic and Physical Chemistry ACTUAL QUESTION PAPER AND MARKING SCHEME MERGED $7.79   Add to cart
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2024 Pearson Edexcel GCE In Chemistry (9CH0) Paper 01: Advanced Inorganic and Physical Chemistry ACTUAL QUESTION PAPER AND MARKING SCHEME MERGED
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2024 Pearson Edexcel GCE In Chemistry (9CH0) Paper 01: Advanced Inorganic and Physical Chemistry ACTUAL QUESTION PAPER AND MARKING SCHEME MERGED

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  • October 30, 2024
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Pearson Edexcel
GCE In Chemistry
(9CH0)Paper 01:
Advanced
Inorganic and
Physical Chemistry


Pearson Edexcel
GCE In Chemistry
(9CH0)Paper 01:
Advanced Inorganic
and Physical
Chemistry




PEARSON

, surname names


Number Number




Morning (Time: 1 hour 45 minutes) Paper


Chemistry
■ ■


Advanced
PAPER 1: Advanced Inorganic and Physical Chemistry




Instructions

• If pencil is used for diagrams/sketches/graphs it must be dark (HB or B). centre
number and candidate number.

Answer the questions in the spaces provided –
there may be more space than you need.

Information

• The total mark for this paper is 90.
– 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

• Show all your working in calculations and include units where appropriate.
Turn over

, Answer ALL questions.

Some questions must be answered with a cross in a box . If you change your mind about an
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.
(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)




(Total for Question 1 = 6 marks)

2
■■■■

, 2 This question is about the formation of ions.

(a) Explain the trend in the values of the first electron affinities of the
elements shown.
(4)


Element First electron affinity / kJ mol−1

chlorine −349

bromine −325

iodine −295


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(b) Which of these isoelectronic ions has the smallest ionic radius?
■
■
■
■ A S2−

B Cl−
C K+

D Ca2+

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