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5 Written questions

5 Matching questions

  1. Graphite (structure)
  2. unit cell
  3. Si (unit cell)
  4. U (type)
  5. glass (type)
  1. a
  2. b amorphous solid
  3. c
    Graphenes (layers) are weakly held together by LDFs. As far as LDFs go they are strong because graphene layers are flat and large.
  4. d The smallest building block of a crystal, consisting of atoms, ions, or molecules, whose geometric arrangement defines a crystal's characteristic symmetry and whose repetition in space produces a crystal lattice.
  5. e metallic solid

5 Multiple choice questions

  1. has more polymorphs than almost any other structure

  2. tetrahedral network
  3. metallic solid
  4. graphite; diamond
  5. Network Solid (3-D)

5 True/False questions

  1. NaCl (structure)
    tetrahedral network


  2. Graphite (type)2-D network solid


  3. H₂ (type)molecular solid


  4. H₂O (type)molecular solid


  5. NaCl (type)ionic solid


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