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Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1CR Mark Scheme Summer 2024
Question number 
Answer Notes Marks 1 (a) (i) W 1 
 
 (ii) V 1 
 
 (iii) Z 1 
 
 (b) (i) the number of protons (in the nucleus) IGNORE reference to electrons 
 
ALLOW amount of protons 
1 
 
 (ii) (the sum of) the number of protons and neutrons (in the nucleus) ALLOW amount of protons and neutrons 1 
 total for question = 5 
 
 
Question number 
Answer Notes Marks 2 (a) oxygen ALLOW O2 1 
 
 (b) M1 carbon dioxide / C...
- Package deal
- Exam (elaborations)
- • 16 pages •
Question number 
Answer Notes Marks 1 (a) (i) W 1 
 
 (ii) V 1 
 
 (iii) Z 1 
 
 (b) (i) the number of protons (in the nucleus) IGNORE reference to electrons 
 
ALLOW amount of protons 
1 
 
 (ii) (the sum of) the number of protons and neutrons (in the nucleus) ALLOW amount of protons and neutrons 1 
 total for question = 5 
 
 
Question number 
Answer Notes Marks 2 (a) oxygen ALLOW O2 1 
 
 (b) M1 carbon dioxide / C...
Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1C Mark Scheme Summer 2024
Question number 
Answer Notes Marks 
1 (a) 
 
Description Substance a good conductor of electricity lithium 
an element that is a liquid at room temperature 
bromine 
a substance that can be used to form a polymer 
ethene 
an element that forms a basic oxide 
lithium 
a substance that has a giant covalent structure 
diamond 
 
 
 
 
 
ALLOW Li 
 
 
ALLOW Br/Br2 REJECT Br− 
 
ALLOW C2H4 
 
 
ALLOW Li 
 
 
 
 
 
5 
 
 (b) A descript...
- Package deal
- Exam (elaborations)
- • 18 pages •
Question number 
Answer Notes Marks 
1 (a) 
 
Description Substance a good conductor of electricity lithium 
an element that is a liquid at room temperature 
bromine 
a substance that can be used to form a polymer 
ethene 
an element that forms a basic oxide 
lithium 
a substance that has a giant covalent structure 
diamond 
 
 
 
 
 
ALLOW Li 
 
 
ALLOW Br/Br2 REJECT Br− 
 
ALLOW C2H4 
 
 
ALLOW Li 
 
 
 
 
 
5 
 
 (b) A descript...
Pearson Edexcel International GCSE (9–1) Chemistry UNIT: 4CH1 PAPER: 2CR QP + MARKSCHEME June 2024
Please check the examination details below before entering your candidate information 
Candidate surname Other names 
Centre Number Candidate Number 
Pearson Edexcel International GCSE (9–1) 
Tuesday 11 June 2024 
Morning (Time: 1 hour 15 minutes) 4CH1/2CR Paper 
reference 
Total Marks 
Chemistry 
UNIT: 4CH1 
PAPER: 2CR 
You must have: 
Calculator, ruler 
Instructions 
• Use black ink or ball-point pen. 
• Fill in the boxes at the top of this page with your name, 
centre number and candida...
- Package deal
- Exam (elaborations)
- • 38 pages •
Please check the examination details below before entering your candidate information 
Candidate surname Other names 
Centre Number Candidate Number 
Pearson Edexcel International GCSE (9–1) 
Tuesday 11 June 2024 
Morning (Time: 1 hour 15 minutes) 4CH1/2CR Paper 
reference 
Total Marks 
Chemistry 
UNIT: 4CH1 
PAPER: 2CR 
You must have: 
Calculator, ruler 
Instructions 
• Use black ink or ball-point pen. 
• Fill in the boxes at the top of this page with your name, 
centre number and candida...
Pearson Edexcel International GCSE (9–1) Chemistry UNIT: 4CH1 PAPER: 2C QP + MARKSCHEME June 2024
Pearson Edexcel International GCSE (9–1) 
Tuesday 11 June 2024 
Morning (Time: 1 hour 15 minutes) 4CH1/2C Paper 
reference 
Total Marks 
Chemistry 
UNIT: 4CH1 
PAPER: 2C 
You must have: 
Calculator, ruler 
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. 
• Show all the s...
- Package deal
- Exam (elaborations)
- • 34 pages •
Pearson Edexcel International GCSE (9–1) 
Tuesday 11 June 2024 
Morning (Time: 1 hour 15 minutes) 4CH1/2C Paper 
reference 
Total Marks 
Chemistry 
UNIT: 4CH1 
PAPER: 2C 
You must have: 
Calculator, ruler 
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. 
• Show all the s...
Pearson Edexcel International GCSE (9–1) Chemistry UNIT: 4CH1 Science (Double Award) 4SD0 PAPER: 1CR QP+ MARKSCHEME May 2024
Pearson Edexcel International GCSE (9–1) 
Friday 17 May 2024 
Morning (Time: 2 hours) 4CH1/1CR 4SD0/1CR Paper 
reference 
Total Marks 
Chemistry 
UNIT: 4CH1 
Science (Double Award) 4SD0 
PAPER: 1CR 
You must have: 
Calculator, ruler 
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...
- Package deal
- Exam (elaborations)
- • 49 pages •
Pearson Edexcel International GCSE (9–1) 
Friday 17 May 2024 
Morning (Time: 2 hours) 4CH1/1CR 4SD0/1CR Paper 
reference 
Total Marks 
Chemistry 
UNIT: 4CH1 
Science (Double Award) 4SD0 
PAPER: 1CR 
You must have: 
Calculator, ruler 
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...
Pearson Edexcel International GCSE (9–1) Chemistry UNIT: 4CH1 Science (Double Award) 4CH1/4SD0 PAPER: 1C QP +MARKSCHEME May 2024
Pearson Edexcel International GCSE (9–1) 
Friday 17 May 2024 
Morning (Time: 2 hours) 4CH1/1C 4SD0/1C Paper 
reference 
Total Marks 
Chemistry 
UNIT: 4CH1 
Science (Double Award) 4CH1/4SD0 
PAPER: 1C 
You must have: 
Calculator, ruler 
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 y...
- Package deal
- Exam (elaborations)
- • 43 pages •
Pearson Edexcel International GCSE (9–1) 
Friday 17 May 2024 
Morning (Time: 2 hours) 4CH1/1C 4SD0/1C Paper 
reference 
Total Marks 
Chemistry 
UNIT: 4CH1 
Science (Double Award) 4CH1/4SD0 
PAPER: 1C 
You must have: 
Calculator, ruler 
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 y...
Pearson Edexcel International GCSE (9–1) Biology Unit: 4BI1 Paper: 1B, 1BR ,2B AND 2BR QP + MARKSCHEME JUNE 2024
Pearson Edexcel International GCSE (9–1) Biology Unit: 4BI1 Paper: 1B, 1BR ,2B AND 2BR QP + MARKSCHEME JUNE 2024
- Package deal
- • 4 items •
- Pearson Edexcel International GCSE (9-1) Biology UNIT: 4BI1 Science (Double Award) 4SD0 PAPER: 1B QP + MARKSCHEME JUNE 2024 • Exam (elaborations)
- Pearson Edexcel International GCSE (9–1) Biology UNIT: 4BI1 Science (Double Award) 4SD0 PAPER: 1BR QP +MARKSCHEME May 2024 • Exam (elaborations)
- Pearson Edexcel International GCSE (9–1) Biology UNIT: 4BI1 PAPER: 2B QP + MARKSCHEME JUNE 2024 • Exam (elaborations)
- Pearson Edexcel International GCSE (9–1) Biology Unit: 4BI1 Paper: 2BR QP + MARKSCHEME JUNE 2024 • Exam (elaborations)
Pearson Edexcel International GCSE (9–1) Biology Unit: 4BI1 Paper: 1B, 1BR ,2B AND 2BR QP + MARKSCHEME JUNE 2024
Pearson Edexcel International GCSE (9–1) Biology Unit: 4BI1 Paper: 2BR QP + MARKSCHEME JUNE 2024
Pearson Edexcel International GCSE (9–1) 
Friday 7 June 2024 
Afternoon (Time: 1 hour 15 minutes) 4BI1/2BR Paper 
reference 
Total Marks 
Biology 
Unit: 4BI1 
Paper: 2BR 
You must have: 
Calculator, 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. 
• Answer the questions in the sp...
- Package deal
- Exam (elaborations)
- • 42 pages •
Pearson Edexcel International GCSE (9–1) 
Friday 7 June 2024 
Afternoon (Time: 1 hour 15 minutes) 4BI1/2BR Paper 
reference 
Total Marks 
Biology 
Unit: 4BI1 
Paper: 2BR 
You must have: 
Calculator, 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. 
• Answer the questions in the sp...
Pearson Edexcel International GCSE (9–1) Biology UNIT: 4BI1 PAPER: 2B QP + MARKSCHEME JUNE 2024
Pearson Edexcel International GCSE (9–1) 
Friday 7 June 2024 
Afternoon (Time: 1 hour 15 minutes) 4BI1/2B Paper 
reference 
Total Marks 
Biology 
UNIT: 4BI1 
PAPER: 2B 
You must have: 
Calculator, 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. 
• Answer the questions in the spac...
- Package deal
- Exam (elaborations)
- • 48 pages •
Pearson Edexcel International GCSE (9–1) 
Friday 7 June 2024 
Afternoon (Time: 1 hour 15 minutes) 4BI1/2B Paper 
reference 
Total Marks 
Biology 
UNIT: 4BI1 
PAPER: 2B 
You must have: 
Calculator, 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. 
• Answer the questions in the spac...
Pearson Edexcel International GCSE (9–1) Biology UNIT: 4BI1 Science (Double Award) 4SD0 PAPER: 1BR QP +MARKSCHEME May 2024
Pearson Edexcel International GCSE (9–1) 
Friday 10 May 2024 
Morning (Time: 2 hours) 4BI1/1BR 4SD0/1BR Paper 
reference 
Total Marks 
Biology 
UNIT: 4BI1 
Science (Double Award) 4SD0 
PAPER: 1BR 
You must have: 
Ruler, calculator 
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. 
• Answ...
- Package deal
- Exam (elaborations)
- • 64 pages •
Pearson Edexcel International GCSE (9–1) 
Friday 10 May 2024 
Morning (Time: 2 hours) 4BI1/1BR 4SD0/1BR Paper 
reference 
Total Marks 
Biology 
UNIT: 4BI1 
Science (Double Award) 4SD0 
PAPER: 1BR 
You must have: 
Ruler, calculator 
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. 
• Answ...
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wrong answer attached