AS
CHEMISTRY
Paper 1 Inorganic and Physical Chemistry
Tuesday 16 May 2023 Morning Time allowed: 1 hour 30 minutes
Materials
For this paper you must have:
• the Periodic Table/Data Sheet, provided as an insert (enclosed)
• a ruler with millimetre measurements
• a scientific calculato...
AS
CHEMISTRY
Paper 1 Inorganic and Physical
Chemistry
Tuesday 16 May 2023 Morning Time allowed: 1 hour 30 minutes
Materials
For this paper you must have: For Examiner’s Use
the Periodic Table/Data Sheet, provided as an insert (enclosed)
a ruler with millimetre measurements Question Mark
a scientific calculator, which you are expected to use where appropriate. 1
2
Instructions 3
Use black ink or black ball-point pen.
4
Fill in the boxes at the top of this page.
Answer all questions. 5
You must answer the questions in the spaces provided. Do not 6
write outside the box around each page or on blank pages. 7
If you need extra space for your answer(s), use the lined pages at
8
the end of this book. Write the question number against your
answer(s). Section
All working must be shown. B
Do all rough work in this book. Cross through any work TOTAL
you do not want to be marked.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 80.
Advice
You are advised to spend about 65 minutes on Section A and 25 minutes on Section B.
1
, 2
Do not write
outside the
Section A box
Answer all questions in this
section.
This0 question
1 is about the elements in Period 3.
0 1 .1 Give the full electron configuration of the element in Period 3 with
the highest first ionisation energy.
[1 mark]
0 1 .2 Give an equation, including state symbols, to represent the process that
occurs when the second ionisation energy of sodium is measured.
[1 mark]
0 1 .3 Table 1 shows some successive ionisation energies for an element in Period 3.
, 3
Do not write
outside the
This0 question
2 is about the elements in Group 2. box
0 2 .1 Describe the structure and bonding in magnesium.
[2 marks]
0 2
.2 State the trend in the atomic radius of the elements down Group 2 from
Mg to Ba Give a reason for this trend.
[2 marks]
Trend
Reason
0 2
.3 Give an equation, including state symbols, for the reaction of magnesium
with steam. State two observations for this reaction.
[3 marks]
Equation
Observation 1
Observation 2
Question 2 continues on the next page
Turn over ►
*03
IB/M/
* Jun23/7404/1
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