All About Dipole

This causes the electron on the enthalpy atom to be strongly attracted to the oxygen, leaving a passing localized positive charge on the hydrogen atom, and a highly localized negative charge on the oxygen atom. AS a result, the electrostatic attraction between these molecules result be greater than for polar molecules that do not prevail hydrogen covalently bonded to oxygen, fluorine, or nitrogen.

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Melting and boiling points result from forward-moving weakening of the attractive forces between covalent molecules, so the stronger the intermolecular force that exists, the more than energy it will take to disappear the solid or boil the liquid (Intermolecular, 2004). If only dispersal forces are present, such as in carbon dioxide, the more electrons the molecule has (and so the more mass), the stronger the dispersion forces will be, so the higher the melting and boiling points will be. Carbon dioxide (mass 44) has a boiling point of -79C.

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