Structure and properties quiz

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1. Polymers made from different monomers have different properties. Explain why.

  • Different monomers change the structure of the polymer chains because polymer chains are different shapes and sizes
  • different monomers change the structure of the polymer chains because polymer chains all are the same shape and size.
  • The same monomers change the structure different monomers change the structure of the polymer chains.
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2. Silver nanoparticles are used in socks to prevent bad smells. Suggest why the manufacturers used nanoparticles instead of regular silver particles.

  • They keep the socks intact for longer.
  • They are more effective and cheaper.
  • They are better looking and more effective.

3. What is a fullerene?

  • A chemical used to transfer drugs into the body,
  • Forms of carbon, with large molecules with hexagon cage like structures.
  • A type of element used to give a molecule strong forces.

4. Explain why a block of copper can be hammered into a sheet.

  • The atoms are in layers and these layers can slide over each other into the new shape.
  • Because copper isn't very strong.
  • Copper breaks when a force is applied.

5. Explain what is meant by intermolecular forces.

  • The forces between molecules.
  • The forces inside the molecule.

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