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Опубликованно: 29.09.2005.
Язык: Английский
Уровень: Средняя школа
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  • Эссе 'Hydrogen Bonding Essay.', 1.
Фрагмент работы

HYDROGEN BONDING:
Hydrogen bonding is a bonding type consisting of dipole and dispersion forces. A hydrogen bond is the attractive force between a hydrogen atom attached to a molecule and an atom of a different molecule.
According to the Pauling scale of electro-negativities of the elements, it can be viewed that the three most electronegative elements in the periodical table are nitrogen, oxygen and fluorine. These are also called heteroatoms. The heteroatoms have a partial negative charge while hydrogen has a partial positive charge.
Hydrogen bonding is generally stronger than most bo…

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