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5 Written questions

5 Matching questions

  1. Ag (type)
  2. unit cell
  3. β-quartz
  4. Silica (description of structure)
  5. Si (unit cell)
  1. a metallic solid
  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
    Formed from α-quartz at 846K.
  5. e has more polymorphs than almost any other structure

5 Multiple choice questions

  1. 2-D network solid
  2. graphite (2-D network solid)
    diamond (3-D network solid)
    coke (highly carbonaceous amorphic solid)
  3. group 18 solid (aka atomic solid)
  4. molecular solid

5 True/False questions

  1. CO₂group 18 solid (aka atomic solid)


  2. SiO₂(name)Silicon dioxide, (aka) silica, (most commonly found in nature as) quartz


  3. SiC (structure)
    tetrahedral network


  4. Si (type)metallic solid


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


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