Chemistry
Advanced Subsidiary
PAPER 1: Core Inorganic and Physical Chemistry
Marks
Scientific calculator, Data Booklet
Pearson Edexcel Level 3 GCE Chemistry Advanced Subsidiary PAPER 1: Core Inorganic and
Physical Chemistry QP MAY 2024
Instructions
•• Use black ink or ball‑point pen.
• Fill
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B). centre
in the
number andboxes at the
candidate top of this page with your name,
number.
•• Answer
Answer theall questions
questions.in the spaces provided –
there may be more space than you need.
Information
•• The total mark for this paper is 80.
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
• Show
Read each question
all your workingcarefully beforeand
in calculations you start to
include answer
units whereit.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 What is the electronic configuration of the phosphide ion, 31P3– ? 15
A 1s22s22p63s23p3
B 1s22s22p63s23p6
C 1s22s22p63s2
D 1s22s22p63p6
(Total for Question 1 = 1 mark)
2 Which could be the first four successive ionisation energies, in kJ mol−1 , of a Group
4 element?
A 496 4563 6913 9544
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B 900 1757 14 849 21 007
C 801 2427 3610 25 026
D 1086 2353 4621 6223
(Total for Question 2 = 1 mark)
3 Which pair of responses show the trend in atomic radii of atoms, excluding the noble
gases (Group 0)?
Trend across Period 2 Trend down Group 2
A increasing increasing
B increasing decreasing
C decreasing decreasing DO NOT WRITE IN THIS AREA
D
decreasing increasing
(Total for Question 3 = 1 mark)
2
■■■■
, 4 A student was provided with three aqueous solutions of potassium chloride,
potassium bromide and potassium iodide.
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To identify the halide present, dilute nitric acid and silver nitrate solution were added to each
of the three solutions.
(a) (i) Give the observations that the student would make in each case.
(3)
(ii) Describe how the student could confirm the halide ions present in the
products of (a)(i) by adding ammonia solutions.
(3)
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