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EDEXCEL 2023 papers AND markschemes
...............EASE YOUR REVISION...........................
edexcel june 2023
2
23
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20
2
23
For resources, notes, easier revision
20
email
2
20
, Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Tuesday 16 May 2023
Morning (Time: 1 hour 30 minutes) Paper
reference 8CH0/01
Chemistry
Advanced Subsidiary
PAPER 1: Core Inorganic and Physical Chemistry
You must have: Total Marks
Scientific calculator, Data Booklet, ruler
Instructions
• Use black ink or ball‑point pen.
• IfFillpencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• centrein the boxes at the top of this page with your name,
number and candidate number.
• Answer allthequestions.
Answer
• – there may questions in the spaces provided
be more space than you need.
Information
• The total mark for this paper is 80.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• For the question marked with an asterisk (*), marks will be awarded for your
ability to structure your answer logically, showing the points that you make are
related or follow on from each other where appropriate.
• A Periodic Table is printed on the back cover of this paper.
Advice
• Read each question carefully before you start to answer it.
• Show all your working in calculations and include units where appropriate.
• your answers if you have time at the end.
Check
Turn over
*P71926A0128*
P71926A
©2023 Pearson Education Ltd.
N:1/1/1/
, Answer ALL questions.
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 Atoms of silicon contain protons, neutrons and electrons.
(a) Which are the correct data for a proton and a neutron?
(1)
Proton Neutron
Relative charge Relative mass Relative charge Relative mass
A +1 1 –1 0.0005
B +1 1 0 1
C –1 0.0005 0 1
D 0 1 +1 1
(b) (i) State the shape of the 2s orbital of a silicon atom.
(1)
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
(ii) State the difference between the two subatomic particles in the 2s orbital.
(1)
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
2
*P71926A0228*
EDEXCEL 2023 papers AND markschemes
...............EASE YOUR REVISION...........................
edexcel june 2023
2
23
OFF THIS PAGESTRIP OFF THIS PAGE
20
2
23
For resources, notes, easier revision
20
2
20
, Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Tuesday 16 May 2023
Morning (Time: 1 hour 30 minutes) Paper
reference 8CH0/01
Chemistry
Advanced Subsidiary
PAPER 1: Core Inorganic and Physical Chemistry
You must have: Total Marks
Scientific calculator, Data Booklet, ruler
Instructions
• Use black ink or ball‑point pen.
• IfFillpencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• centrein the boxes at the top of this page with your name,
number and candidate number.
• Answer allthequestions.
Answer
• – there may questions in the spaces provided
be more space than you need.
Information
• The total mark for this paper is 80.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• For the question marked with an asterisk (*), marks will be awarded for your
ability to structure your answer logically, showing the points that you make are
related or follow on from each other where appropriate.
• A Periodic Table is printed on the back cover of this paper.
Advice
• Read each question carefully before you start to answer it.
• Show all your working in calculations and include units where appropriate.
• your answers if you have time at the end.
Check
Turn over
*P71926A0128*
P71926A
©2023 Pearson Education Ltd.
N:1/1/1/
, Answer ALL questions.
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 Atoms of silicon contain protons, neutrons and electrons.
(a) Which are the correct data for a proton and a neutron?
(1)
Proton Neutron
Relative charge Relative mass Relative charge Relative mass
A +1 1 –1 0.0005
B +1 1 0 1
C –1 0.0005 0 1
D 0 1 +1 1
(b) (i) State the shape of the 2s orbital of a silicon atom.
(1)
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
(ii) State the difference between the two subatomic particles in the 2s orbital.
(1)
. . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
2
*P71926A0228*
