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The force of attraction, shown here as a dotted line, is called a hydrogen bond. Each water molecule is hydrogen bonded to four others. ... The hydrogen bond has only 5% or so of the strength of a covalent bond. However, when many hydrogen bonds can form between two molecules (or parts of the same molecule),
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users.rcn.com/jkimball.ma.ultranet/BiologyPages/H/Hydro...
users.rcn.com/jkimball.ma.ultranet/BiologyPages/H/HydrogenBonds.html
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The hydrogen bond is really a special case of dipole forces. A hydrogen bond is the attractive force between the hydrogen attached to an electronegative atom of one molecule and an electronegative atom of a different molecule.
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www.elmhurst.edu/~chm/vchembook/161Ahydrogenbond.html
www.elmhurst.edu/~chm/vchembook/161Ahydrogenbond.html
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hydrogen bonding and water molecules ... In chemistry, a hydrogen bond is a type of attractive intermolecular force that exists between two partial electric charges of opposite polarity. Although stronger than most other intermolecular forces, the hydrogen bond is much weaker than both the ionic bond and the covalent bond.
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www.edinformatics.com/interactive_molecules/hydrogen_bo...
www.edinformatics.com/interactive_molecules/hydrogen_bonds.htm
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Simple explanation of hydrogen bond in the framework of the history of the Universe ... This weak force is called a hydrogen bond. The hydrogen atoms of one water molecule stick to the oxygen atoms of nearby water molecules, freezing them together into solid ice.
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www.historyoftheuniverse.com/hydrbond.html
www.historyoftheuniverse.com/hydrbond.html
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From Wikipedia (see the link to the left of this answer): A hydrogen bond is a special type of attractive interaction (perhaps a variation of a dipole-dipole bond) that exists between an electronegative atom and a hydrogen atom bonded to an...
http://wiki.answers.com/Q/What_is_a_hydrogen_bond
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Structure and Bonding: The Hydrogen Bond ... What is the typical hydrogen bond distance found in water as ice? ... The hydrogen bond is the strongest intermolecular force and imparts some unusual properties to a number of substances such as water, proteins, and nucleotides. Let's examine the hydrogen bond and its importance...
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academic.pg.cc.md.us/~ssinex/struc_bond/hydrogen_bond.h...
academic.pg.cc.md.us/~ssinex/struc_bond/hydrogen_bond.htm
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A weak bond involving the sharing of an electron with a hydrogen atom; hydrogen bonds are important in the specificity of base pairing in nucleic acids and in the determination of protein shape.
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www.biochem.northwestern.edu/holmgren/Glossary/Definiti...
www.biochem.northwestern.edu/holmgren/Glossary/Definitions/Def-H/hydrogen_bond.html
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The bond length between the hydrogen and the electronegative O or N to which it is covalently bound is about 0.1 nm (Fig. D.). The bond between the H and the O or N contributing the unshared pair of electrons is about 0.2 nm.
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bioweb.wku.edu/courses/Biol220/chembond/HBondMFLO.html
bioweb.wku.edu/courses/Biol220/chembond/HBondMFLO.html
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