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Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1CR Mark Scheme Summer 2024
Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1CR Mark Scheme Summer 2024
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Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 2CR Mark Scheme Summer 2024
PopularPearson Edexcel International GCSE In Chemistry (4CH1) Paper 2CR Mark Scheme Summer 2024
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Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 2C Mark Scheme Summer 2024
Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 2C Mark Scheme Summer 2024
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Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1C Mark Scheme Summer 2024
Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1C Mark Scheme Summer 2024
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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
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Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 2CR Mark Scheme Summer 2024
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 the correct answer because the charge on a sulfide ion is not 1+ B is not the correct answer because the charge on a sulfide ion is not 2+ C is not the correct answer because the charge on a sulfide ion...
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Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 2C
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 points 3 M1 the outer shell is further from the nucleus in sodium/sodium has more shells/sodium has a larger atomic radius ORA ALLOW a sodium atom is larger than a lithium atom AL...
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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...
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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...
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