Non-metals can also have unusual properties. For the following non-metal, say which property is unusual (there might be more than one). 

Graphite is a form of carbon. It is dull, soft, can conduct electricity and has a higher melting point than any metal element $\left(3600°\mathrm{C}\right)$. 

Non-metals can also have unusual properties. For the following non-metal, say which property is unusual (there might be more than one).

Silicon is a shiny, brittle insulator. 

Non-metals can also have unusual properties. For the following non-metal, say which property is unusual (there might be more than one).

Diamond is another form of carbon. It is a good conductor of heat and is very hard. 

Give some uses of iron and steel. 

Explain why rusting is not a useful chemical reaction. 

Choose a method to prevent the following object from rusting. Give a reason for your choice. 

Underground metal pipes.

Choose a method to prevent the following object from rusting. Give a reason for your choice. 

A decorative garden gate. 

For the following element, use the Periodic Table to say whether it is a metal or non-metal. 

Magnesium.