Differentiate metals and non-metals based on their reaction with oxygen, water and acids. [3 marks]

Metals	Non-metals
Generally react with oxygen to form basic oxides [0.5 marks]	Generally react with oxygen to form acidic oxides [0.5 marks]
Generally react with water to produce either metal hydroxides or metal oxides along with the liberation of hydrogen gas [0.5 marks]	Generally do not react with water [0.5 marks]
Generally react with acids to produce metal salts and hydrogen gas [0.5 marks]	Generally do not react with acids [0.5 marks]