Intermolecular Forces

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4 Terms

1
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Dipole-Dipole: Nonpolar

  • No lone pairs on central

  • Peripheral atoms are the same

  • Results in no pull


<ul><li><p>No lone pairs on central</p></li><li><p>Peripheral atoms are the same</p></li><li><p>Results in no pull</p></li></ul><p></p>
2
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Dipole-Dipole: Maybe Polar

  • No lone pairs on central

  • Peripheral atoms are different (think shape)

  • May result in a one-directional pull


3
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Dipole-Dipole: Polar

  • Lone pairs on central

  • Results in a one-directional pull

  • Exceptions - Nonpoalr:

    • 4 bonding & 2 lone pairs

    • 2 bonding & 3 lone pairs


<ul><li><p>Lone pairs on central</p></li><li><p>Results in a one-directional pull</p></li><li><p><strong>Exceptions - Nonpoalr:</strong></p><ul><li><p>4 bonding &amp; 2 lone pairs</p></li><li><p>2 bonding &amp; 3 lone pairs</p></li></ul></li></ul><p></p>
4
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