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hydrogen bond
(redirected from Hydrogen bonds)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
hydrogen bond
n.
A chemical bond in which a hydrogen atom of one molecule is attracted to an electronegative atom, especially a nitrogen, oxygen, or fluorine atom, usually of another molecule.

hydrogen bond,
n a weak electrostatic bond between two atoms with opposite charges.

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The cellulose chains in the fiber move by breaking and re-establishing hydrogen bonds.
These "supramolecular" chemistries allow formation of directional hydrogen bonds that emulate the stronger covalent bonds.
Al-Biruni did not know that in ice, each water molecule is typically linked with four others through hydrogen bonding, forming an ordered crystal structure whereas in its liquid state, these hydrogen bonds break and reform on a picosecond time scale, allowing a statistical distribution of the different possible coordinations.
 
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