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5 Written Questions

4 Matching Questions

  1. 2 allotropes of carbon
  2. 3 forms of C (carbon)
  3. CO₂
  4. U (type)
  1. a molecular solid
  2. b graphite (2-D network solid)
    diamond (3-D network solid)
    coke (highly carbonaceous amorphic solid)
  3. c graphite; diamond
  4. d metallic solid

5 Multiple Choice Questions

  1. a regular, repeating array of atoms or ions
  2. Network Solid (3-D)
  3. Network solid (3-D)

  4. tetrahedral network
  5. molecular solid

5 True/False Questions

  1. unit cell

          

  2. Ag (type)metallic solid

          

  3. Graphite (description of structure)layered, planar; can be described as a 2-dimensional lattice because covalent bonds occur only within sheets (planes) called graphenes; in each layer C atoms are arranged in a honeycomb-like lattice

          

  4. Krgroup 18 solid (aka atomic solid)

          

  5. Si (unit cell)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.

          

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