13.3 - Periodic trends in the third period

13.1.1 Explain the physical properties of the chlorides and oxides of the elements in the third period (Na ® Ar) in terms of their bonding and structure.
Refer to 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 (sulfur chloride is not required).
Limit the explanation to the physical states of the compounds under standard conditions and electrical conductivity in the molten state only.
13.1.2 Describe the chemical trends for the chlorides and oxides referred to in 13.1.1. Include relevant equations.
Limit this to acid?base properties of the oxides and the reactions of the chlorides and oxides with water.

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