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Unformatted text preview: Bent(or angular); Bond Angle 120 4. Four electron pairs (Tetrahedral Arrangement) a. Four bonding pairs; Molecular Geometry: Tetrahedral; Bond Angle: 109.5 degrees b. Three bonding pairs, one non-bonding pair; Molecular Geometry: Trigonal Pyramidal; Bond Angle: 107.5 degrees c. Two bonding pairs, two non-bonding pairs; Molecular Geometry: Angular or Bent; Bond Angle: 104.5 degrees III. Polar Molecules A. What are polar molecules? Polar molecules have an unsymmetrical distribution of charge. B. How do we tell if a molecule is polar or nonpolar? 1. It must contain polar covalent bonds 2. It must have a molecular shape which will give it a positive end and a negative end....
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