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Oxford Cambridge and RSA
Tuesday 17 May 2023 – Morning
AS Level Chemistry A
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H032/01 Breadth in chemistry
Time allowed: 1 hour 30 minutes
You must have:
* 9 0 7 4 0 1 9 2 3 9 *
• the Data Sheet for Chemistry A
You can use:
• a scientific or graphical calculator
• an HB pencil
* H 0 3 2 0 1 *
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Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
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First name(s)
Last name
cs
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 70.
• The marks for each question are shown in brackets [ ].
• This document has 24 pages.
ADVICE
• Read each question carefully before you start your answer.
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2
SECTION A
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You should spend a maximum of 25 minutes on this section.
Answer all the questions.
Write your answer to each question in the box provided.
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1 Which substance has a giant covalent lattice structure in its solid state?
A potassium
B silicon
C sodium chloride
D water
Your answer [1]
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2 What is the meaning of the term electronegativity?
A The ability of an atom to attract the electrons in a covalent bond.
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B The ability of an atom to gain an electron.
C The electrostatic attraction between a negative ion and a positive ion.
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D The size of the charge on a negative ion.
Your answer [1]
3 Which compound is an alkali?
A CH3COOH
B CH3OH
C HNO3
D NH3
Your answer [1]
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4 What is the number of paired orbitals in a sulfur atom?
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A 4
B 6
C 7
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D 8
Your answer [1]
5 Which element has the lowest melting point?
A S
B P
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C Cl
D Ar
Your answer [1]
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6 The first four ionisation energies of a Period 3 element X are shown in the table.
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Ionisation energy / kJ mol–1
1st 2nd 3rd 4th
738 1451 7733 10 541
Element X is reacted with chlorine.
What is the formula of the chloride formed?
A XCl
B XCl 2
C XCl 3
D XCl 4
Your answer [1]
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