Shapes and polarities of molecules

United States, 1963

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Episode of Series “Chemical Education Material Study Series”.
Observations of electrical effects lead to the concept of molecular polarity. Covalent substances give two types of results: some show marked interactions with electric charges, others give little effect. A model is developed based on polar and non-polar molecules. The molecular dipole model is extended to explain differences in solubility, conductivity and chemical reactivity.


production company

National Science Foundation

Norman Wright Productions







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