9.2 Polarity
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Polar bonds, due to differences in electronegativity result in one atom being partially positive (𝛅+) and one partially negative (𝛅-). The larger the difference in electronegativity, the more polar the bond.
Molecular Polarity
Molecules with more than 1 polar bond may be termed polar or nonpolar depending how polar each bond is and the geometry in which they are arranged.
-If the polarity of all the individual bond dipoles ‘cancel’ the molecule is nonpolar.
-If the polarity of all the individual dipoles do not cancel then the molecule is polar.
