What is meant by the terms monomer and polymer?
A monomer is a small molecule that can join together to form a polymer.
A polymer is a large molecule made up of many repeating monomer units.
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What type of polymerisation do alkenes undergo?
Addition polymerisation
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What is meant by the repeat unit of a polymer?
The repeat unit of a polymer is the smallest group of atoms that repeats over and over to make up the polymer chain.
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What is the balanced equation for the addition polymerisation of ethene?
The formula of poly(ethene) is represented by its repeat unit inside square brackets, followed by n to show repetition.
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Describe the systematic naming of addition polymers.
The prefix, poly-, is used followed by the name of the monomer in brackets.
For example, the addition polymer of ethene is poly(ethene).
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Why are addition polymers unreactive?
They contain strong, non-polar C-C and C-H bonds which require large amounts of energy to break.
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List two reasons why the disposal of polyalkenes is difficult.
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