chemical bond


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chemical bond
top: covalent bonding in a water molecule
center: metallic bonding in silver
bottom: ionic bonding in sodium chloride

chemical bond

n.
Any of several forces, especially the ionic bond, covalent bond, and metallic bond, by which atoms or ions are bound in a molecule or crystal.

chemical bond

n
(Chemistry) a mutual attraction between two atoms resulting from a redistribution of their outer electrons. See also covalent bond, electrovalent bond, coordinate bond
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chemical bond - an electrical force linking atoms
attraction, attractive force - the force by which one object attracts another
covalent bond - a chemical bond that involves sharing a pair of electrons between atoms in a molecule
cross-link, cross-linkage - a side bond that links two adjacent chains of atoms in a complex molecule
hydrogen bond - a chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond
electrostatic bond, electrovalent bond, ionic bond - a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion
metallic bond - a chemical bond in which electrons are shared over many nuclei and electronic conduction occurs
peptide bond, peptide linkage - the primary linkage of all protein structures; the chemical bond between the carboxyl groups and amino groups that unites a peptide
References in periodicals archive ?
Chemical bond obsoletes "roughening" between copper and low dielectric resins
Among his topics are the basics and the physical and chemical realization of density functional theory, the psi-density functional theory of Bose-Einstein condensation, the bondonic picture of a chemical bond, and a chemical action picture of a chemical bond.
A self-contained introductory chapter on mathematical foundations covers matrices and systems of linear equations through exchange-overlap densities and the chemical bond.
Because of a strong cohesive chemical bond with the metal, it is said to eliminate solvent-based primer and adhesive systems, as well as the volatile organic compounds (VOCs) they generate.
Chapter 2, by far the largest part of the book because of the many implications of the chemical bond, introduces a model of bonding in homonuclear and heteronuclear diatomics, multiple and delocalized bonds in hydrocarbons, and the stereochemistry of chemical bonds in polyatomic molecules, in a word, a model of the strong first-order interactions originating the chemical bond.
Turning next to the energy calculation of chemical bonds, he covers thermochemical formulas, chemical bond theory, and bond dissociation energies.
The chemical bond between polymer and filler is said to improve the physical pro-perties of the vulcanizate.
com/reports/c81890) has announced the addition of "The Chemical Bond in Inorganic Chemistry: The Bond Valence Model" to their offering.
In addition, the chemical bond between Si and organic molecules is stronger and, therefore, expected to be more stable than the metal-molecule bond typically used in the assembly of molecular electronic devices.
The volume includes vintage b&w botanical sketches, contemporary color chemical bond plates, and a glossary of terms.
When the cells reached their destination--swimming as much as 20 centimeters, or 20,000 of their own body lengths, from start to finish--the researchers flashed UV light to break the chemical bond that attached the beads.
A short curing time is said to yield a chemical bond, producing a firmly integrated composite part, according to the company.

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