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Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Tuesday 13 June 2023
reference 1CH0/2F
Morning (Time: 1 hour 45 minutes) Paper
Chemistry
PAPER 2
Foundation Tier
You must have: Total Marks
Calculator, ruler
2023 Pearson Edexcel Level 1/Level 2 GCSE (9–1) Chemistry 1CH0/2F PAPER2
Question Paper and Mark Scheme Combined Unveiling Excellence!!
• Use black ink or ball-point pen.
• Fill in the boxes at the top of this page with your name,
• centre number and candidate number.
• Answer all questions.
Answer the questions in the spaces provided
• – there may be more space than you need.
• Calculators may be used.
• Any diagrams may NOT be accurately drawn, unless otherwise indicated.
You must show all your working out with your answer clearly identified at the end
Instructions
of your solution.
• The total mark for this paper is 100.
• The marks for each question are shown in brackets
• – use this as a guide as to how much time to spend on each question.
In questions marked with an asterisk (*), marks will be awarded for your ability to
structure your answer logically, showing how the points that you make are related
• or follow on from each other where appropriate. There is a
periodic table on the back cover of the paper.Information
•Advice
• Read each question carefully before you start to answer it.
• Try to answer every question.
Check your answers if you have time at the end.
Turn over
, Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in a box . If you change your mind about an
answer, put a line through the box and then mark your new answer with a cross .
1 Figure 1 shows the structure of a molecule of each of four compounds, A, B, C and D.
compound A compound B compound C compound D
H
O S
O C O H C H
H H H H
H
Figure 1
(a) The formula of a molecule of compound A is H2O.
Give the formula of a molecule of compound D.
(1)
(b) The names of two of the compounds in Figure 1 are shown below.
Draw one straight line from each name to the structure of a
molecule of that compound.
(2)
name of compound structure of molecule
O
H H
carbon dioxide O C O
S
methane H H
H
H C
H
H
2
*P72632A0232*
, (c) Figure 2 shows information about the number of electrons in the outer
shell of each of the different atoms in a molecule of compound C.
symbol of number of electrons in outer shell
element of the atom
H 1
S 6
Figure 2
Use the information in Figure 2 to complete the dot and cross diagram
for a molecule of compound C.
(2)
S
H H
(d) The atomic number of phosphorus, P, is 15.
One atom of phosphorus has a relative atomic mass of 31.
Give the number of protons, neutrons and electrons in this atom of phosphorus.
(3)
number of protons = ..............................................................
number of neutrons = ..............................................................
number of electrons = ..............................................................
(Total for Question 1 = 8 marks)
3
*P72632A0332* Turn over
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