Combined ScienceCode 5129
Properties and uses of metals
What this topic asks you to be able to do
- Compare metals and non-metals in terms of their general physical properties, including: (a) thermal conductivity (b) electrical conductivity (c) ductility and malleability
- Describe how metals are used because of their physical properties, including: (a) aluminium is used to make aircraft since it has a low density (b) aluminium is used to make overhead electrical cables since it has a low density and good electrical conductivity (c) for food containers, aluminium is used since it resists corrosion (d) copper is used for electrical wiring since it has good electrical conductivity and is ductile