Oxford Cambridge and RSA
Friday 17 May 2024 – Morning GCSE
(9–1) Chemistry A (Gateway Science) J248/01
(Foundation Tier)
Time allowed: 1 hour 45 minutes
You must have:
• a ruler (cm/mm)
• the Data Sheet for GCSE (9–1) Chemistry A (inside this
document)
F
You can use:
• a scientific or graphical calculator
• an HB pencil
* J 2 4 8 0 1 *
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
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
page 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 90.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 28 pages.
ADVICE
• Read each question carefully before you start your answer.
OCR is an exempt Charity
Turn over
, 2
Section A
You should spend a maximum of 30 minutes on this section. Write your
answer to each question in the box provided.
1 Which part of an atom is negatively charged?
A Electron
B Neutron
C Nucleus
D Proton
Your answer [1]
2 Which of these changes is a chemical change?
A Ice melting
B Shaping hot metal with a hammer
C Water condensing
D Wood burning
Your answer [1]
3 Which group of elements on the Periodic Table has a full outer shell of electrons?
A 0
B 1
C 2
D 7
Your answer [1]
© OCR 2024
, 3
4 Sodium chloride, NaCl, is an ionic compound.
How are the ions held together in sodium chloride?
A Covalent bonds
B Delocalised electrons
C Electrostatic forces
D Intermolecular forces
Your answer [1]
5 Which equipment is used for filtration?
A
B
C
D
Your answer [1]
© OCR 2024 Turn over
, 4
6 Which scientist suggested the idea that electrons exist in electron shells?
A Bohr
B Dalton
C Rutherford
D Thomson
Your answer [1]
7 Which row describes a formulation?
Description Amount of chemicals
A compound exact
B mixture exact
C compound random
D mixture random
Your answer [1]
8 The table shows information about some atoms and ions.
Which two are isotopes?
Atom or ion Number of protons Number of neutrons Number of electrons
1 17 18 17
2 17 18 18
3 17 20 17
4 18 20 18
A 1 and 2
B 1 and 3
C 2 and 4
D 3 and 4
Your answer [1]
© OCR 2024
Friday 17 May 2024 – Morning GCSE
(9–1) Chemistry A (Gateway Science) J248/01
(Foundation Tier)
Time allowed: 1 hour 45 minutes
You must have:
• a ruler (cm/mm)
• the Data Sheet for GCSE (9–1) Chemistry A (inside this
document)
F
You can use:
• a scientific or graphical calculator
• an HB pencil
* J 2 4 8 0 1 *
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
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
page 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 90.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 28 pages.
ADVICE
• Read each question carefully before you start your answer.
OCR is an exempt Charity
Turn over
, 2
Section A
You should spend a maximum of 30 minutes on this section. Write your
answer to each question in the box provided.
1 Which part of an atom is negatively charged?
A Electron
B Neutron
C Nucleus
D Proton
Your answer [1]
2 Which of these changes is a chemical change?
A Ice melting
B Shaping hot metal with a hammer
C Water condensing
D Wood burning
Your answer [1]
3 Which group of elements on the Periodic Table has a full outer shell of electrons?
A 0
B 1
C 2
D 7
Your answer [1]
© OCR 2024
, 3
4 Sodium chloride, NaCl, is an ionic compound.
How are the ions held together in sodium chloride?
A Covalent bonds
B Delocalised electrons
C Electrostatic forces
D Intermolecular forces
Your answer [1]
5 Which equipment is used for filtration?
A
B
C
D
Your answer [1]
© OCR 2024 Turn over
, 4
6 Which scientist suggested the idea that electrons exist in electron shells?
A Bohr
B Dalton
C Rutherford
D Thomson
Your answer [1]
7 Which row describes a formulation?
Description Amount of chemicals
A compound exact
B mixture exact
C compound random
D mixture random
Your answer [1]
8 The table shows information about some atoms and ions.
Which two are isotopes?
Atom or ion Number of protons Number of neutrons Number of electrons
1 17 18 17
2 17 18 18
3 17 20 17
4 18 20 18
A 1 and 2
B 1 and 3
C 2 and 4
D 3 and 4
Your answer [1]
© OCR 2024
