interpret and use the general, structural, displayed and skeletal formulas of the classes of compound stated in the table on pages 29 and 30
analyse an infrared spectrum of a simple molecule to identify functional groups (see the Data section for the functional groups required)
describe, in simple terms, the lattice structure of a crystalline solid which is: (a) giant ionic, including sodium chloride and magnesium oxide (b) simple molecular, including iodine, buckminsterfullerene \( C_{60} \) and ice (c) giant molecular, including silicon(IV) oxide, graphite and diamond (d) giant metallic, including copper