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Chemical polarity
English Wikipedia - The Free Encyclopedia
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Chemical polarity
In
chemistry
,
polarity
is a separation of
electric charge
leading to a molecule or its
chemical groups
having an electric
dipole
or
multipole
moment. Polar molecules interact through dipole–dipole
intermolecular forces
and
hydrogen bonds
. Molecular polarity is dependent on the difference in
electronegativity
between atoms in a compound and the
asymmetry
of the compound's structure. Polarity underlies a number of physical properties including
surface tension
,
solubility
, and melting and boiling points.
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