plumiHow do bonding and structure affect properties of materials?: OCR GCSE Combined Science B questions
Every OCR GCSE Combined Science B exam question on C4.2 How do bonding and structure affect properties of materials?, 2018–2025, with its mark scheme and examiner’s report.
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Calculations
Q2(a)(i)
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Q2(a)(ii)
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Q7(a)(i)
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Q7(a)(ii)
The whole paper ↗Q9(a)
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Q9(b)
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Q5(a)(ii)
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Q5(b)
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The whole paper ↗Q9(b)
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Q2(a)
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Q2(b)
The whole paper ↗Q2(c)
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All 59 questions on How do bonding and structure affect properties of materials?, as a list
- June 2025, Chemistry Paper 2 Foundation, Q2(a)(i) (4 marks): Complete the table to show which statements are true for fullerenes only, graphene only, both or neither. Tick (3) one box in each row. True for True for True f
- June 2025, Chemistry Paper 2 Foundation, Q2(a)(ii) (2 marks): Graphene is a very good conductor of electricity. Complete the sentence to explain why. Put a ring around each correct option. Graphene is a good conductor of e
- June 2025, Chemistry Paper 2 Foundation, Q3(d) (2 marks): Chlorine has the electron arrangement 2.8.7. Complete the dot and cross diagram for a chlorine molecule, Cl2. Show the outer shell electrons only. Cl Cl [2]
- June 2025, Chemistry Paper 6 Higher, Q7(a)(i) (4 marks): State two similarities and two differences between the structures. Similarity 1 Similarity 2 Difference 1 Difference 2 [4]
- June 2025, Chemistry Paper 6 Higher, Q7(a)(ii) (2 marks): Explain why graphene is a very good conductor of electricity. [2]
- June 2025, Chemistry Paper 6 Higher, Q9(a) (3 marks): Describe the type of bonds and the arrangement of atoms in diamond. Type of bonds Arrangement of atoms [3]
- June 2025, Chemistry Paper 6 Higher, Q9(b) (4 marks): Explain why diamond is hard but graphite is soft and slippery. Use ideas about structure and bonding. [4]
- June 2025, Chemistry Paper 6 Higher, Q9(c) (2 marks): Explain why the melting point of diamond is very high. [2]
- June 2024, Chemistry Paper 2 Foundation, Q5(a)(i) (2 marks): Which descriptions about the states of matter are true and which are false? Tick (✓) one box in each row. True False The particles in a gas are randomly arrange
- June 2024, Chemistry Paper 2 Foundation, Q5(a)(ii) (2 marks): Describe what happens to the movement and arrangement of the particles when a solid is heated until it melts. Movement Arrangement [2]
- June 2024, Chemistry Paper 2 Foundation, Q5(b) (1 mark): Mercury has a melting point of –39 °C and a boiling point of 357 °C. What is the state of mercury at 20 °C? [1]
- June 2024, Chemistry Paper 2 Foundation, Q6 (6 marks): 6* The table shows the structure, properties and uses of two carbon allotropes. Allotropes Diamond Graphite Structure Melting Point (°C) 3550 3550 Hardness 10 1
- June 2024, Chemistry Paper 6 Higher, Q5(a) (2 marks): State two limitations of the particle model. 1. 2. [2]
- June 2024, Chemistry Paper 6 Higher, Q5(b) (4 marks): The table gives some information about the movement and arrangement of particles for the different states of matter. Complete the table. Movement of Particles A
- June 2024, Chemistry Paper 6 Higher, Q5(c) (2 marks): Explain why heating a solid causes it to change state. [2]
- June 2024, Chemistry Paper 6 Higher, Q5(d) (1 mark): Sulfur dioxide has a melting point of –73 °C and a boiling point of –10 °C. What is the state of sulfur dioxide at 20 °C? [1]
- June 2024, Combined Science Paper 8 Higher, Q9(b) (3 marks): Explain why carbon atoms can form a large variety of polymer ropes. Use ideas about bonding. [3]
- June 2023, Chemistry Paper 2 Foundation, Q2(a) (3 marks): Sodium is a metal and sodium chloride is an ionic compound. Draw lines to connect sodium and sodium chloride with the correct structure and nature of their chem
- June 2023, Chemistry Paper 2 Foundation, Q2(b) (3 marks): Complete the sentences to explain the electrical conductivity of sodium and sodium chloride. Put a ring around each correct option. Sodium is a good conductor o
- June 2023, Chemistry Paper 2 Foundation, Q2(c) (2 marks): Complete the sentences to explain the difference in melting points of sodium and sodium chloride. Put a ring around each correct option. The melting point of so
- June 2023, Chemistry Paper 2 Foundation, Q4(a)(i) (1 mark): Complete the sentence to explain covalent bonding. Put a ring around the correct option. The atoms in a covalent bond are held together when electrons are gaine
- June 2023, Chemistry Paper 2 Foundation, Q4(a)(ii) (2 marks): Fig. 4.1 shows the electron arrangement of a fluorine atom. Fig. 4.1 F Complete Fig. 4.2 to show the dot and cross diagram for F2. Show outer shell electrons on
- June 2023, Chemistry Paper 2 Foundation, Q6(d)(i) (3 marks): Complete the table. [3]
- June 2023, Chemistry Paper 2 Foundation, Q6(d)(ii) (2 marks): Explain why the melting point of poly(ethene) is higher than the melting point of ethene. Use ideas about chain length and forces between the particles in your
- June 2023, Chemistry Paper 6 Higher, Q9(d) (1 mark): Some elements form giant covalent structures. Table 9.3 shows the structures of two allotropes of carbon. Table 9.3 Diamond Graphite 3-D model C 2-D model C C C
- June 2023, Combined Science Paper 8 Higher, Q5(b) (2 marks): Some plastic bottles are made from polyester. The polyester bottles are strong, hard and flexible. The polymer chains in the polyester bottles are shown in the
- June 2022, Chemistry Paper 2 Foundation, Q6(a)(i) (1 mark): How do the diagrams show that all the structures are the same element? Tick (3) one box. There is only one type of atom in all of the structures. They are all t
- June 2022, Chemistry Paper 2 Foundation, Q6(a)(ii) (3 marks): Which statements about these structures are true only for diamond, which are true only for fullerenes, and which are true for all the structures? Tick (3) one b
- June 2022, Chemistry Paper 6 Higher, Q3(c)(i) (2 marks): The boiling points of calcium and chlorine are different because of the forces of attraction between particles. Draw lines to connect each element to the forces
- June 2022, Chemistry Paper 6 Higher, Q3(c)(ii) (2 marks): Explain why the boiling points of calcium and chlorine are different. Use your answer to (i) to support your answer. [2]
- June 2022, Chemistry Paper 6 Higher, Q8(a)(i) (3 marks): Explain why graphite and graphene are good conductors of electricity but diamond is not. [3]
- June 2022, Chemistry Paper 6 Higher, Q8(a)(ii) (4 marks): Explain why diamond and graphene are hard but graphite is soft. Diamond and graphene Graphite [4]
- November 2021, Chemistry Paper 2 Foundation, Q4(a) (4 marks): Complete the table. [4]
- November 2021, Chemistry Paper 2 Foundation, Q4(b)(i) (2 marks): Complete the dot and cross diagram for methane. Show outer electrons only, and label each atom. [2]
- November 2021, Chemistry Paper 2 Foundation, Q4(b)(ii) (3 marks): Which features of a methane molecule are shown by a 3D structure and a dot and cross structure? Tick (✓) one box in each row. Feature Shown only by Shown only b
- November 2021, Chemistry Paper 2 Foundation, Q4(c) (2 marks): Why does diamond have a much higher boiling point than methane? Tick (✓) two boxes. All bonds in diamond are strong. Bonds between atoms in methane are weak. Bo
- November 2021, Chemistry Paper 6 Higher, Q6(a)(i) (1 mark): Complete the dot and cross diagram for methane. Show outer electrons only, and label each atom. [1]
- November 2021, Chemistry Paper 6 Higher, Q6(a)(ii) (2 marks): Complete the table by giving the type of bonds and type of structure for diamond and methane. Use Fig. 6.1. Type of bonds Type of structure Diamond Methane [2]
- November 2021, Chemistry Paper 6 Higher, Q6(a)(iii) (3 marks): Explain why diamond is a solid and methane is a gas at room temperature and pressure. Use ideas about bonds and attractions between molecules in your answer. [3
- November 2021, Chemistry Paper 6 Higher, Q6(b)(i) (2 marks): Graphite conducts electricity, but diamond does not. Explain this statement. [2]
- November 2021, Chemistry Paper 6 Higher, Q6(b)(ii) (2 marks): Diamond is a very hard material, but graphite is soft and slippery. Explain this statement. [2]
- November 2020, Chemistry Paper 6 Higher, Q3(a)(i) (4 marks): Describe what happens to the arrangement and movement of the particles in bromine and water when the temperature changes from −1 °C to 70 °C. Bromine Water [4]
- November 2020, Chemistry Paper 6 Higher, Q3(a)(ii) (2 marks): Give two ways in which the gas particles in bromine gas are different from the gas particles shown in Fig. 3.1. 1 2 [2]
- November 2020, Chemistry Paper 6 Higher, Q6 (6 marks): 6* Information about the bonding, structure and melting points of three different compounds are shown in the table. Phosphorus(III) Compound Sodium chloride PVC
- November 2020, Combined Science Paper 8 Higher, Q4(b)(ii) (6 marks): (ii)* Table 4.2 shows the melting point of some Group 2 oxides. Oxide Melting point (°C) Magnesium oxide 2852 Calcium oxide 2572 Strontium oxide 2531 Barium oxi
- June 2019, Chemistry Paper 2 Foundation, Q7(b) (2 marks): Metal bromides have high melting points. Which statements about metal bromides are true and which are false? Tick (3) one box in each row. Statement True False
- June 2019, Chemistry Paper 6 Higher, Q10(a) (1 mark): Which substance is a liquid over the biggest temperature range? [1]
- June 2019, Chemistry Paper 6 Higher, Q10(b) (2 marks): What type of bonding does each substance have? Tick (3) one box in each row. Covalent Ionic Metallic A B C D [2]
- June 2019, Chemistry Paper 6 Higher, Q10(c) (3 marks): Metals and ionic compounds conduct electricity differently. State and explain these differences. [3]
- June 2018, Chemistry Paper 2 Foundation, Q2(c) (2 marks): Methane and ammonia are compounds also found naturally on Earth. Table 2.3 shows the boiling point of water, methane and ammonia. Compound Boiling point (°C) Wa
- June 2018, Chemistry Paper 2 Foundation, Q3(e) (2 marks): The diagrams show the arrangement of electrons in a carbon atom and a hydrogen atom. x C H carbon atom hydrogen atom A methane molecule contains an atom of carb
- June 2018, Chemistry Paper 2 Foundation, Q5(a) (3 marks): The table contains some statements about diamond and graphite. Place one tick (✓) in a box for each statement to show whether it is true for diamond only, true
- June 2018, Chemistry Paper 2 Foundation, Q5(b) (2 marks): Graphite is used in pencils. Use ideas from the structures to explain why graphite can make marks on paper. Tick (✓) two boxes next to the best explanations. Al
- June 2018, Chemistry Paper 6 Higher, Q3(a)(ii) (3 marks): Use the particle model to explain why the ice caps are a fixed shape but water in the sea can flow and change shape. [3]
- June 2018, Chemistry Paper 6 Higher, Q3(b)(i) (2 marks): Which statements about water, methane and ammonia are true and which are false? Put a tick (✓) in one box in each row True False Water has the lowest melting po
- June 2018, Chemistry Paper 6 Higher, Q3(b)(ii) (3 marks): The average surface temperature of Earth is 14 °C. The average surface temperature of Mars is –55 °C. Use the data in the table to predict the state of ammonia
- June 2018, Chemistry Paper 6 Higher, Q5 (6 marks): 5* The table shows the type of bonding and the melting points of the chlorides and oxides of the elements in Period 3 of the Periodic Table. Period 3 chlorides
- June 2018, Chemistry Paper 6 Higher, Q9(a) (4 marks): Describe two similarities and two differences between the structures of diamond and graphite. Similarities: 1 2 Differences: 1 2 [4]
- June 2018, Chemistry Paper 6 Higher, Q9(b) (4 marks): Use ideas about structure and bonding to explain why the hardness and electrical conductivity of diamond and graphite are different. Hardness Electrical conduct
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