13.1.1 - Explain the physical properties of the chlorides
and oxides of the elements in the third period (Na to Ar) in terms of
their bonding and structure. Include the following oxides and chlorides:
Oxides: Na2O, MgO, Al2O3, SiO2,
P4O6 and P4O10, SO2
and SO3, Cl2O and Cl2O7. Chlorides:
NaCl, MgCl2, Al2Cl6, SiCl4,
PCl3 and PCl5, and Cl2.
13.1.2 - Describe the reactions of chlorine and the
chlorides referred to in 13.1.1. with water.