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What is an atom?
What is a chemical change?
What happens during a chemical change to the atoms?
What are reactants?
What are products?
What is combustion?
What happens when nitric oxide is burnt with ozone?
Energy in chemical reactions
What is a spontaneous chemical reaction?
Give an example of spontaneous reactions
What are non-spontaneous reactions?
Give an example of non-spontaneous reactions
What is a chemical equation?
What is corrosion?
What is rusting?
How can you prevent rust?
What is coating?
What is galvanising?
What is alloying?
What happens when iron corrodes?
