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5 Written questions

5 Matching questions

  1. unit cell
  2. Silica (description of structure)
  3. Kr
  4. β-quartz
  5. NaCl (structure)
  1. a
    Formed from α-quartz at 846K.
  2. b group 18 solid (aka atomic solid)
  3. c has more polymorphs than almost any other structure
  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

5 Multiple choice questions

  1. different forms of crystal structure for the same solid material
  2. 2-D network solid

  3. tetrahedral network

  4. tetrahedral network
  5. amorphous solid

5 True/False questions

  1. NH₃ (type)Network Solid (3-D)


  2. Diamond (structure)
    tetrahedral network


  3. α-quartz
    Formed from α-quartz at 846K.


  4. H₂ (type)molecular solid


  5. allotropesdifferent structural modifications of an element; bonding is different


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