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the electrons in a bond between two atoms will be displaced towards the more electronegative atom.
(also called or polypropylene) colourless transparent thermoplastic used where a flexible...
polymerisation reaction that is started by a radical.
the simplest type of pure substance that cannot be broken down into simpler components.
a group of organic compounds that can be represented by a general formula e.g. alkanes, alcohols...
a chemical reaction in which a solid product forms from aqueous (aq) reactants.