Ethylene as a Monomer

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Identify that ethylene serves as a monomer from which polymers are made

  • Monomer: A relatively simple molecule from which a polymer can be made.
  • Polymer: A large molecule in which one or more monomers are repeated.
  • Polymerisation: The reaction of monomers to form a polymer.
  • Ethylene can act as a monomer that polymerises to form polyethylene.
  • The double bond in ethylene breaks open to form single bonds with neighbouring molecules, forming the long saturated polyethylene chain.


Structure of ethylene, with its double bond between carbon atoms