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Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1C ,1CR ,2C and 2CR Mark Scheme JUNE 2024
Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1C ,1CR ,2C and 2CR Mark Scheme JUNE 2024
[Show more]Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1C ,1CR ,2C and 2CR Mark Scheme JUNE 2024
[Show more]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 h...
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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 h...
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 (i...
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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 (i...
Question number 
Answer Notes Marks 1 (a) (i) sulfur ALLOW S 1 (ii) beryllium ALLOW Be 1 (iii) boron ALLOW B 1 
 
 (iv) 2,8,4 / 2.8.4 ACCEPT diagram showing electron configuration 
 
 1 
 
 (b) An explanation that links the following three...
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Add to cartQuestion number 
Answer Notes Marks 1 (a) (i) sulfur ALLOW S 1 (ii) beryllium ALLOW Be 1 (iii) boron ALLOW B 1 
 
 (iv) 2,8,4 / 2.8.4 ACCEPT diagram showing electron configuration 
 
 1 
 
 (b) An explanation that links the following three...
Question number 
Answer Notes Marks 
1 (a) (i) B (3) 
 
A is not the correct answer because sulfur is not in period 2 C is not the correct answer because sulfur is not in period 4 D is not the correct answer because sulfur is not in period 6 
 1 
 
 (ii) D (2−) 
 
A is not th...
Preview 2 out of 13 pages
Add to cartQuestion number 
Answer Notes Marks 
1 (a) (i) B (3) 
 
A is not the correct answer because sulfur is not in period 2 C is not the correct answer because sulfur is not in period 4 D is not the correct answer because sulfur is not in period 6 
 1 
 
 (ii) D (2−) 
 
A is not th...
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