Pearson Edexcel Level 1/Level 2 GCSE (9–1) Combined Science PAPER 5 Foundation Tier question paper 2023

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Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Tuesday 13 June 2023
Morning (Time: 1 hour 10 minutes) Paper
reference 1SC0/2CF
Combined Science
⬟ ⬟



PAPER 5

Foundation Tier
You must have: Total Marks
Calculator, ruler


Pearson Edexcel Level 1/Level 2 GCSE (9–1) Combined Science PAPER 5 Foundation Tier question
paper 2023
Instructions
•• 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 of your solution.
Information
•• The total mark for this paper is 60.
The marks for each question are shown in brackets

• Instructure
– use this as a guide as to how much time to spend on each question.
questions marked with an asterisk (*), marks will be awarded for your ability to
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.
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


P72562A
©2023 Pearson Education Ltd.
N:1/1/

, 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
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, (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
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