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How we identify polar nature of molecules? |
Answer» <p>Polarity describes the tendency of a substance to have a molecular dipole, or a positively and a negatively charged end. Polar molecules are made of elements with different electronegativities, or electron attractions, meaning that one element possesses the shared electrons more often than the other. This gives the more electronegative element a partially negative charge and the more electropositive element a partially positive charge. If these elements are arranged symmetrically, so that these charges cancel one another, the molecule is non-polar. If they are arranged asymmetrically, however, they form a polar molecule.</p> | |