4.8 Guiding Spaceship Earth towards a sustainable future 4.8.1 Carbon chemistry Spec Summary of the specification Learning outcomes Suggested Opportunities to develop Opportunities to Self/peer assessment ref. content timing Scientific Communication skills practical and enquiry Opportunities and What most candidates skills resources should be able to do Reference to past questions that indicate success 4.8.1.1 Diamond is very hard, has a Explain the properties 1 Link the properties of Research the Video clips: very high melting and of diamond and diamond to the structure in properties of diamond does not conduct electricity. graphite in of diagrammatic form. and graphite. YouTube: their structures and In diamond, each carbon Present a reasoned Model the structure of bonding. atom forms four covalent explanation of the properties diamond and graphite bonds with other carbon of graphite linked to using model kits. RSC resource atoms in a giant covalent structure. Teachit Science structure. You have been asked to resource In graphite, each carbon explain why graphite atom three covalent conducts electricity at the bonds with three other school open evening. What carbon atoms, forming would you say? layers of hexagonal rings. MS 5b There are no covalent Visualise and represent 2D bonds between the layers. and 3D forms including two One electron from each dimensional representations carbon is delocalised. of 3D objects. Graphene is a single layer of graphite and so is one atom thick. It has properties that make it useful in electronics and composites.
4.8 Guiding Spaceship Earth towards a sustainable future 4.8.1 Carbon chemistry Spec ref. Summary of the specification content Learning outcomes What most candidates should be able to do Suggested timing Opportunities to develop Scientific Communication skills Opportunities to practical and enquiry skills Self/peer assessment Opportunities and resources Reference to past questions that indicate success 4.8.1.1 Diamond is very hard, has a very high melting and does not conduct electricity. In diamond, each carbon atom forms four covalent bonds with other carbon atoms in a giant covalent structure. In graphite, each carbon atom three covalent bonds with three other carbon atoms, forming layers of hexagonal rings. There are no covalent bonds between the layers. One electron from each carbon is delocalised. Graphene is a single layer of graphite and so is one atom thick. It has properties that make it useful in electronics and composites. Explain the properties of diamond and graphite in of their structures and bonding. 1 Link the properties of diamond to the structure in diagrammatic form. Present a reasoned explanation of the properties of graphite linked to structure. You have been asked to explain why graphite conducts electricity at the school open evening. What would you say? MS 5b Visualise and represent 2D and 3D forms including two dimensional representations of 3D objects. Research the properties of diamond and graphite. Model the structure of diamond and graphite using model kits. Video clips: YouTube: RSC resource Teachit Science resource
AQA-8465-SOW-GSE.DOCX