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5 Written questions

5 Matching questions

  1. unit cell
  2. Graphite (type)
  3. lattice
  4. NH₃ (type)
  5. Silica (description of structure)
  1. a 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.
  2. b a regular, repeating array of atoms or ions
  3. c 2-D network solid
  4. d molecular solid
  5. e has more polymorphs than almost any other structure

5 Multiple choice questions

  1. Silicon dioxide, (aka) silica, (most commonly found in nature as) quartz
  2. different forms of crystal structure for the same solid material

5 True/False questions

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


  2. coke (type)amorphous solid


  3. Ag (type)metallic solid


  4. SiC (type)metallic solid


  5. Si (type)metallic solid