plumiGiant carbon structures: graphite, diamond and graphene: Edexcel International A Level Chemistry questions
Edexcel International A Level Chemistry past-paper questions on 3.B.2 Giant carbon structures: graphite, diamond and graphene, 2019–2025, with mark schemes and examiner’s reports where available.
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All 18 questions on Giant carbon structures: graphite, diamond and graphene, as a list
- June 2025, AS Unit 1, Q8 (1 mark): Which substance does not exist as a giant lattice? A silver (Ag) B sodium chloride (NaCl) C graphite (C) D buckminsterfullerene (C60)
- October 2024, AS Unit 1, Q20(c)(ii) (3 marks): Explain why the melting temperature of carbon is high, with reference to its structure and bonding. (3)
- June 2024, AS Unit 1, Q17(a) (2 marks): Complete the dot-and-cross diagram by adding all the electrons in the outer shells of the five carbon atoms in a diamond tetrahedral unit. (2) C C C C C
- June 2024, AS Unit 1, Q17(b) (2 marks): Draw a labelled 3D structure of graphite, showing two layers of at least 13 carbon atoms each and the forces between the layers. (2)
- June 2024, AS Unit 1, Q17(c) (2 marks): Suggest why diamond has a greater density than graphite. (2)
- January 2024, AS Unit 1, Q9 (1 mark): Which are the correct bonding and structure for one of the substances listed? Substance Bonding Structure A copper(II) sulfate covalent giant B graphene covalen
- January 2023, AS Unit 1, Q12 (1 mark): Which is a use of graphene based on its electrical properties? A drill tips B pencils C touch screens D body armour
- June 2022, AS Unit 1, Q1 (1 mark): Elements in their most stable state exist as A atoms in giant structures only B atoms in molecules and atoms in giant structures only C isolated atoms and atoms
- June 2022, AS Unit 1, Q21(c)(i) (1 mark): Using your knowledge of the structure of diamond, suggest how the structure of silicon dioxide is similar to that of diamond. (1)
- June 2022, AS Unit 1, Q21(c)(ii) (1 mark): Give a possible reason why silicon dioxide has a lower melting temperature than diamond, even though the Si O bond is stronger than the C C bond. (1)
- October 2021, AS Unit 1, Q13(b) (3 marks): Silicon dioxide, SiO2 , is the main constituent of sand and has a giant lattice structure similar to that of diamond. Key Silicon atom Oxygen atom Crystalline s
- June 2021, AS Unit 1, Q10 (1 mark): Which substance has a giant lattice of atoms? A diamond B ice C poly(ethene) D sodium chloride
- January 2021, AS Unit 1, Q7 (1 mark): The Period 2 element with the highest melting temperature is A aluminium B boron C carbon D silicon
- January 2021, AS Unit 1, Q11 (1 mark): Which of these does not have a structure formed by a giant lattice of carbon atoms? A C60 fullerene B diamond C graphene D graphite
- January 2020, AS Unit 1, Q11 (1 mark): Which of these forms of carbon does not contain delocalised electrons? A diamond B C60 fullerene C graphene D graphite
- June 2019, AS Unit 1, Q23(e)(i) (4 marks): Explain two ways in which the physical properties of diamond and graphite differ. Refer to their structure and bonding in your answer. (4) diamond graphite
- June 2019, AS Unit 1, Q23(e)(ii) (1 mark): State how the structure of graphene is related to the structure of graphite. (1)
- June 2019, AS Unit 1, Q23(e)(iii) (2 marks): State a use for graphene, identifying the property that makes it suitable for that use. (2)
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