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Polarity of Molecules

Polarity of Molecules. Determining the Polarity of a Molecule. Draw Lewis Structure. Thanks to Mark Bishop of Preparatory Chem. Determining the Polarity of a Molecule. Identify each bond as polar or non-polar. a. If no polar bonds, the molecule is nonpolar.

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Polarity of Molecules

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  1. Polarity of Molecules

  2. Determining the Polarity of a Molecule • Draw Lewis Structure Thanks to Mark Bishop of Preparatory Chem

  3. Determining the Polarity of a Molecule • Identify each bond as polar or non-polar. a. If no polar bonds, the molecule is nonpolar.

  4. Determining the Polarity of a Molecule • If there is one central atom • No lone pairs and all the bonds are identical, the molecule is nonpolar.

  5. Determining the Polarity of a Molecule • Draw a sketch of the molecule showing its molecular geometry. • Use arrows to depict the polarity of the bonds. Use longer arrows to show the relative polarities • If arrows are symmetrical, the molecule is nonpolar • All others, polar

  6. Thank you to dl.clackamas.edu

  7. CO2 • Lewis Structure • Correct Geometry • Polarity of Bonds

  8. Ammonia, NH3

  9. Dicholoromethane, CH2Cl2

  10. For more practice… http://www.tutor-homework.com/Chemistry_Help/Molecular_Geometry/Polar_Or_Nonpolar.html

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