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 12 May 2026
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.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
• Answer all questions.
• – there may
Answer the 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.
• toForstructure
the question marked with an asterisk (*), marks will be awarded for your ability
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
P74447APearson Education Ltd.
P:1/1/1/1/1/1/1/1/
*P74447A0128* for more:
, Answer ALL questions.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 What is the sign (if any) of ionisation energies when measured in kJ mol−1 ?
A no sign
B positive
C negative
D negative or positive
(Total for Question 1 = 1 mark)
2 Which does not indicate the existence of quantum shells in atoms?
A the atomic emission spectrum of an element
B the direction of electron spin in an atom of an element
C the first ionisation energies of successive elements
D the successive ionisation energies of electrons in an atom
(Total for Question 2 = 1 mark)
3 Which is the electronic configuration of the gallium ion, Ga3+?
The atomic number of gallium is 31.
A 1s22s22p63s23p63d84s2
B 1s22s22p63s23p63d9
C 1s22s22p63s23p63d10
D 1s22s22p63s23p63d104s2
(Total for Question 3 = 1 mark)
2 for more:
*P74447A0228*
, 4 This question is about structure and bonding in Group 4 elements and
their compounds.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
(a) Quartz is a naturally occurring form of the compound silicon dioxide (SiO2).
Complete the dot-and-cross diagram for a section of the structure of quartz.
Show only the outer electrons for the central silicon atom and its four
surrounding oxygen atoms.
Use dots ( • ) for the silicon electrons and crosses (×) for the oxygen electrons.
(2)
Si
O
Si O Si O Si
O
Si
for more:
3
*P74447A0328* Turn over
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Tuesday 12 May 2026
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.
If pencil is used for diagrams/sketches/graphs it must be dark (HB or B).
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
• Answer all questions.
• – there may
Answer the 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.
• toForstructure
the question marked with an asterisk (*), marks will be awarded for your ability
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
P74447APearson Education Ltd.
P:1/1/1/1/1/1/1/1/
*P74447A0128* for more:
, Answer ALL questions.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 What is the sign (if any) of ionisation energies when measured in kJ mol−1 ?
A no sign
B positive
C negative
D negative or positive
(Total for Question 1 = 1 mark)
2 Which does not indicate the existence of quantum shells in atoms?
A the atomic emission spectrum of an element
B the direction of electron spin in an atom of an element
C the first ionisation energies of successive elements
D the successive ionisation energies of electrons in an atom
(Total for Question 2 = 1 mark)
3 Which is the electronic configuration of the gallium ion, Ga3+?
The atomic number of gallium is 31.
A 1s22s22p63s23p63d84s2
B 1s22s22p63s23p63d9
C 1s22s22p63s23p63d10
D 1s22s22p63s23p63d104s2
(Total for Question 3 = 1 mark)
2 for more:
*P74447A0228*
, 4 This question is about structure and bonding in Group 4 elements and
their compounds.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
(a) Quartz is a naturally occurring form of the compound silicon dioxide (SiO2).
Complete the dot-and-cross diagram for a section of the structure of quartz.
Show only the outer electrons for the central silicon atom and its four
surrounding oxygen atoms.
Use dots ( • ) for the silicon electrons and crosses (×) for the oxygen electrons.
(2)
Si
O
Si O Si O Si
O
Si
for more:
3
*P74447A0328* Turn over
