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Paul Sheffield

on 9 March 2018

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Transcript of Polymers


Do it now
What are intermolecular forces?
How are they different to covalent and ionic bonds?
Name different types of plastics
Describe their uses and properties
Investigating polymers
Plan an investigation to test the extension of a plastic bag with force.
What we need to know
• deduce the molecular formula of a substance from a given model or diagram in these forms showing the atoms and bonds in the molecule.
Polymers have very large molecules.
The atoms in the polymer molecules are linked to other atoms by strong covalent bonds.
The intermolecular forces between polymer molecules are relatively strong and so these substances are solids at room temperature.
Full transcript