Shapes! Shapes! Shapes!

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1. Which of these answers represents the order of the strength of repulsion of each type of electron pair?

  • Double bonded < lone pair < single bonded
  • Single bonded < Double bonded < Lone pair
  • Lone pair < Double bonded < single bonded
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2. What bond arrangement would a molecule of bond angle 104.5 degrees have?

  • 4 bonded pairs
  • 2 lone pairs, 2 bonded pairs
  • 3 bonded pairs, one lone pair
  • 3 lone pairs, one bonded pair

3. What shape would a molecule of ammonia have?

  • Octahedral
  • Trigonal pyramidal
  • Non-linear
  • Linear

4. What shape are the bonded carbon atoms of an alkene?

  • Trigonal planar
  • Bent
  • Tetrahedal
  • Linear

5. What is the H-C-H bond angle of an alkane?

  • 109.5
  • 109.0
  • 120.5
  • 105.2

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