Lab 6 Molecular Geometry

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Lab 6 Molecular Geometry
CHEM101L

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Pre-Lab Questions:

  1. Describe the difference between valence and core electrons.
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  2. What is the octet rule and which elements obey the octet rule?
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  3. How does VSEPR affect the shape of molecules?
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  4. What effect does the presence of lone-pair electrons have on the bond angles in a molecule?
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    Experiment 1: Molecular Models of Neutral Molecules
    Part 1: Periodic Table
    Table 1: Lewis Dot Structures

Post-Lab Questions:

  1. Should all of the angles in methane (CH4) be equal? Why or why not?
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  2. What additional information does the VSEPR theory give you beyond electron dot structures, in terms of molecular
    structure?
  3. Sketch the molecular shape of the following compounds. Be sure to label the bond angles. Upload the photo below.