polar molecule

Polar molecule

A molecule possessing a permanent electric dipole moment. Molecules containing atoms of more than one element are polar except where forbidden by symmetry; molecules formed from atoms of a single element are nonpolar (except ozone). The dipole moments of polar molecules result in stronger intermolecular attraction, increased viscosities, higher melting and boiling points, and greater solubility in polar solvents than in nonpolar molecules.

polar molecule

[′pō·lər ′mäl·ə‚kyül] (physical chemistry) A molecule having a permanent electric dipole moment.

单词	polar molecule
释义	polar molecule polar molecule A molecule which has a positive charge at one end and a negative charge at the other. polar molecule Polar molecule A molecule possessing a permanent electric dipole moment. Molecules containing atoms of more than one element are polar except where forbidden by symmetry; molecules formed from atoms of a single element are nonpolar (except ozone). The dipole moments of polar molecules result in stronger intermolecular attraction, increased viscosities, higher melting and boiling points, and greater solubility in polar solvents than in nonpolar molecules. polar molecule [′pō·lər ′mäl·ə‚kyül] (physical chemistry) A molecule having a permanent electric dipole moment.
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