polar covalent molecule


A molecule that has an unequal distribution of bonding electrons, which results in an asymmetrical electrical charge (or dipole) across the molecule. Polar molecules are formed when polar covalent bonds are oriented so that the molecule contains a partially charged positive end and negative end. As a result of the uneven electrical charge, polar molecules are commonly attracted to each other by dipole-dipole interactions. Polar molecules often dissociate in water to form electrolytes. Compare to ionic compound.

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