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AS Chemistry Paper 1 – Inorganic and Physical Chemistry Predicted Paper 2023 with marking scheme attached.

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AQA AS Chemistry Paper 1 – Inorganic and Physical Chemistry Predicted Paper 2023 with markscheme attached. Name …………………………………………………………………… Date ………………… 1 hour 30 minutes allowed You should have access to the AQA insert (periodic table and data sheet) to help with answering the questions. You should spend around 65 minutes on section A and 25 minutes on section B. Grade boundaries These are VERY rough guesses! Getting a C on this paper does not guarantee you the same mark in the exam. • A – 80 • B – 70 • C – 60 • D – 50 • E - 40 SECTION A 01 The mass spectrum of element A has three peaks. The table below gives the relative abundance of each isotope in a sample of element A. Isotope Mass number Percentage abundance 1 22 9.25 2 20 90.48 3 21 0.27 01.1 i. Calculate the relative atomic mass of element A. [2 marks] ii. Identify the element A. [1 mark] iii. Write the electron configuration of element A. [1 mark] 01.2 i. Explain what is meant by the term “first ionisation energy”? [3 marks] ii. “The first ionisation energy of element A is greater than that of fluorine”. Explain the above statement. [2 marks] 02 A mass spectrometer can be used to investigate the isotopes in an element. 02.1 i. Element Q has a relative atomic mass of 47.9 Identify the element Q and give electron configuration of an atom of element Q. [2 marks] ii. Calculate the mass, in kg, of one atom of 47Q. (The Avogadro constant L= 6.022×1023 mol-1) [2 marks] iii. In a time of flight (TOF) mass spectrometer the time of flight, t, of an ion is shown by the equation.

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As level chem ppr1 2023




AQA
AS Chemistry Paper 1 – Inorganic and Physical
Chemistry Predicted Paper 2023 with
markscheme attached.


Name ……………………………………………………………………
Date …………………


1 hour 30 minutes allowed
You should have access to the AQA insert (periodic table and data sheet)
to help with answering the questions.
You should spend around 65 minutes on section A and 25 minutes on
section B.



Possible Marks
Question
Grade boundaries marks gained
1 9
These are VERY rough guesses! Getting a 2 9
C on this paper does not guarantee you 3 10
the same mark in the exam. 4 6
5 9
6 7
7 11
 A – 80
8 6
 B – 70
Section B 15
 C – 60 Total 80
 D – 50
 E - 40




1

,As level chem ppr1 2023




2

,As level chem ppr1 2023




SECTION A
01The mass spectrum of element A has three peaks. The table below
gives the relative abundance of each isotope in a sample of element A.

Isotope Mass number Percentage
abundance
1 22 9.25
2 20 90.48
3 21 0.27

01.1
i. Calculate the relative atomic mass of element A.
[2 marks]




ii. Identify the element A.
[1 mark]



iii. Write the electron configuration of element A.
[1 mark]




01.2
i. Explain what is meant by the term “first ionisation
energy”?
[3 marks]




3

, As level chem ppr1 2023



ii. “The first ionisation energy of element A is greater than
that of fluorine”.
Explain the above statement.
[2 marks]




02A mass spectrometer can be used to investigate the isotopes in an
element.

02.1
i. Element Q has a relative atomic mass of 47.9
Identify the element Q and give electron configuration of an
atom of element Q.
[2 marks]




47
ii. Calculate the mass, in kg, of one atom of Q.

(The Avogadro constant L= 6.022×1023 mol-1)
[2 marks]




4

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