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5 Written questions

5 Matching questions

  1. 2 allotropes of carbon
  2. NaCl (structure)
  3. Pb (type)
  4. Graphite (unit cell)
  5. unit cell
  1. a
  2. b 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.
  3. c
  4. d metallic solid
  5. e graphite; diamond

5 Multiple choice questions

  1. metallic solid
  2. group 18 solid (aka atomic solid)

  3. tetrahedral network
  4. graphite (2-D network solid)
    diamond (3-D network solid)
    coke (highly carbonaceous amorphic solid)
  5. has more polymorphs than almost any other structure

5 True/False questions

  1. α-quartz
    The most common form of silica (SiO₂) in nature.


  2. Diamond (type)Network solid (3-D)


  3. Fe (type)Network solid (3-D)


  4. latticea regular, repeating array of atoms or ions


  5. Graphite (description of structure)has more polymorphs than almost any other structure