Materials

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 * Key knowledge **

> conductivity, chemical reactivity, shape, polarity of bonds, intermolecular forces >> > > > >
 * models of bonding to explain observed properties including melting temperature, electrical
 * metals
 * ionic compounds
 * molecular substances, network lattices, layer lattices
 * limitations of the metallic, ionic and covalent bonding models
 * properties and systematic naming of alkanes and alkenes up to C 6
 * structural isomers of C 4 H 10
 * behaviour of surfaces and the application of surface chemistry in nanotechnology
 * addition polymers
 * relationship between structure, properties and applications
 * <span style="font-family: Arial,Helvetica,sans-serif; font-size: 110%;">synthesis, cross-linking
 * <span style="font-family: Arial,Helvetica,sans-serif; font-size: 110%;">development of customised polymers