CR (a) State the type of bonding found in NaCl and in AlCl3. NaCl AICI: (2) (b) (1) Describe the nature and strength of the bonding in solid calcium oxide. (3) (ii) State two properties of calcium oxide that depend on its bonding. 1. (2) (c) Outline two differences between covalent and ionic compounds 1. 2 (2) (Total 9 marks) 12 (1) Describe the nature and strength of the bonding in solid calcium oxide. (ii) State two properties of calcium oxide that depend on its bonding. 1. 2