To get the best results in this achievement standard you need be clear about how you organise your answers.
All the basic material you need to know about is covered in three short videos, a complete course reduced to 15 mins!
The first video deals with covalent bonding Lewis structures and Lewis diagrams. There is a short quiz at the end of it.
The second video deals with molecular shape and polarity
The third video deals with metallic and ionic bonding. It also examines properties such as malleabilityor ductility and conductivity when molten or in aqueous solution. The solubility of ionic compounds in aqueous solution is also discussed.