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Polarising molecule?

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    What is the definition for the term "polarised" as I am confused on how to answer it in an exam style question

    It means an unequal distribution of charge around a molecule because one part of it has greater affinity for electrons than another. The part of the molecule that has a great affinity for electrons ( where higher electronegativity atoms are found) draws electron density from other parts, so that part ends up with a slightly negative charge, δ-ve, and the rest has a consequential positive charge, δ+ve
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Updated: October 12, 2016
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