AS
CHEMISTRY
Paper 1 Inorganic and Physical Chemistry
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)
Question Mark
• a ruler with millimetre measurements
• a scientific calculator, which you are expected to use where appropriate. 1
Instructions 2
• Use black ink or black ball-point pen.
3
4
5
6
7
8
9
10
Section B
TOTAL
AQA
, 2
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
• Fill in the boxes at the top of this page.
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside the box around
each page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of this book. Write
the question number against your answer(s).
• All working must be shown.
• Do all rough work in this book. Cross through any work 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.
*JUN217404101* IB/M/Jun21/E7 7404/1
Section A
Answer all questions in this section.
AQA
, 3
0 1 This question is about atomic structure.
0 1
.1 Figure 1 is a model proposed by Rutherford to show the structure of an atom.
Figure 1
State two features of the current model that are not shown in the Rutherford model.
[2 marks]
Feature 1 of the current model
Feature 2 of the current model
Turn over ►
, 4
*02*
A sample of tin is analysed in a time of flight mass spectrometer. The
0 1 .2 sample is ionised by electron impact to form 1+ ions.
6 in this spectrum.
shows data about the four peaks
Table 1
m/z
112
114
117
120
Give the symbol, including mass number, of the ion that reaches the detector first.
Calculate the relative atomic mass of tin in this sample.
1 decimal place.
Give your answer to
AQA
CHEMISTRY
Paper 1 Inorganic and Physical Chemistry
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)
Question Mark
• a ruler with millimetre measurements
• a scientific calculator, which you are expected to use where appropriate. 1
Instructions 2
• Use black ink or black ball-point pen.
3
4
5
6
7
8
9
10
Section B
TOTAL
AQA
, 2
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
• Fill in the boxes at the top of this page.
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside the box around
each page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of this book. Write
the question number against your answer(s).
• All working must be shown.
• Do all rough work in this book. Cross through any work 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.
*JUN217404101* IB/M/Jun21/E7 7404/1
Section A
Answer all questions in this section.
AQA
, 3
0 1 This question is about atomic structure.
0 1
.1 Figure 1 is a model proposed by Rutherford to show the structure of an atom.
Figure 1
State two features of the current model that are not shown in the Rutherford model.
[2 marks]
Feature 1 of the current model
Feature 2 of the current model
Turn over ►
, 4
*02*
A sample of tin is analysed in a time of flight mass spectrometer. The
0 1 .2 sample is ionised by electron impact to form 1+ ions.
6 in this spectrum.
shows data about the four peaks
Table 1
m/z
112
114
117
120
Give the symbol, including mass number, of the ion that reaches the detector first.
Calculate the relative atomic mass of tin in this sample.
1 decimal place.
Give your answer to
AQA
