giant covalent structures 0.0 / 5 ? ChemistryStructure and bondingGCSEAQA Created by: Rebecca WalmsleyCreated on: 16-04-13 18:08 what are two forms os carbon? diamond and graphite 1 of 11 describe the properties of diamond 3D structure; covalently bonded to four other carbons; hard;transparent 2 of 11 what compund has a similar structure? silicon dioxide 3 of 11 describe the properties of graphite atoms covalently bonded to three other carbon atoms; 2D layers; no covalent bonds between layers 4 of 11 how is graphite slippery and grey weak intermolecular forces between layers make them slide over eachother 5 of 11 in graphite atoms form a flat sheet of... hexagons 6 of 11 how is graphite like a metal? one electron from each carbon atom is delocalised, allowing graphite to conduct electricty 7 of 11 what are fullerenes? large molecules formed from hexagonal rings of carbon atoms. 8 of 11 what size are some of the shapes? nano-sized 9 of 11 what applications do fullerenes have? drug delivery into body;lubricants; catalysts 10 of 11 what do graphite and diamond both have and why? high melting and boiling points, giant covalent structure 11 of 11
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