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a group of organic compounds that can be represented by a general formula e.g. alkanes, alcohols etc.
the distance between the centres (nuclei) of atoms joined in a bond.
the symbols used to represent an element or compound e.g. H2O for water
a solution to which a little acid has been added to a lot of water.
the SI unit of amount of substance. 1 mole contains the same number of particles as there are in...