transferred by the delocalised electrons. 4.2.3 Structure and bonding of carbon Spec ref. Summary of the specification Learning outcomes Suggested Opportunities to develop Opportunities to develop and Self/peer content What most candidates timing Scientific Communication apply practical and enquiry assessment should be able to do (hours) skills skills opportunities and resources Reference to past questions that indicate success 4.2.3.1 In diamond, each carbon Explain the properties of 1 Extended writing: link the Research the properties of clips: atom forms four covalent diamond in terms of its properties of diamond to diamond. bonds with other carbon structure and bonding. the structure. atoms in a giant covalent WS 1.2 Model the structure of YouTube: structure, so diamond is very Visualise and represent diamond using model kits. hard, has a very high melting 2D and 3D including point and does not conduct two dimensional electricity. representations of 3D objects. MS 5b 4.2.3.2 In graphite, each carbon Explain the properties of 0.5 Extended writing: link the Research the properties of Video clip: atom forms three covalent graphite in terms of its properties of graphite to the graphite. bonds with three other structure and bonding. structure. carbon atoms, forming layers Model the structure of of hexagonal rings which Know that graphite is Extended writing: explain graphite using model kits. have no covalent bonds similar to metals in that why graphite conducts between the layers. it has delocalised electricity. In graphite, one electron from electrons. each carbon atom is WS 1.2 delocalised.
transferred by the delocalised electrons. 4.2.3 Structure and bonding of carbon Spec ref. Summary of the specification content Learning outcomes What most candidates should be able to do Suggested timing (hours) Opportunities to develop Scientific Communication skills Opportunities to develop and apply practical and enquiry skills Self/peer assessment opportunities and resources Reference to past questions that indicate success 4.2.3.1 In diamond, each carbon atom forms four covalent bonds with other carbon atoms in a giant covalent structure, so diamond is very hard, has a very high melting point and does not conduct electricity. Explain the properties of diamond in terms of its structure and bonding. WS 1.2 Visualise and represent 2D and 3D including two dimensional representations of 3D objects. MS 5b 1 Extended writing: link the properties of diamond to the structure. Research the properties of diamond. Model the structure of diamond using model kits. clips: YouTube: 4.2.3.2 In graphite, each carbon atom forms three covalent bonds with three other carbon atoms, forming layers of hexagonal rings which have no covalent bonds between the layers. In graphite, one electron from each carbon atom is delocalised. Explain the properties of graphite in terms of its structure and bonding. Know that graphite is similar to metals in that it has delocalised electrons. WS 1.2 0.5 Extended writing: link the properties of graphite to the structure. Extended writing: explain why graphite conducts electricity. Research the properties of graphite. Model the structure of graphite using model kits. Video clip:
AQA-8462-SOW-BOND.DOCX