- shared electron bond
- 共价键
Medical Chinese dictionary (湘雅医学词典). 2013.
Medical Chinese dictionary (湘雅医学词典). 2013.
Chemical bond — A chemical bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms. The bond is caused by the electromagnetic force attraction between opposite charges, either between electrons and… … Wikipedia
Electron — For other uses, see Electron (disambiguation). Electron Experiments with a Crookes tube first demonstrated the particle nature of electrons. In this illustration, the profile of the cross shaped target is projected against the tube face at right… … Wikipedia
bond — In chemistry, the force holding two neighboring atoms in place and resisting their separation; a b. is electrovalent if it consists of the attraction between oppositely charged groups, or covalent if it results from the sharing of one, two, or… … Medical dictionary
Shared pair — In chemistry, a shared pair is a pair of electrons bonding two atoms together by being shared by the two atoms, because the positive nuclei are attracted to the negative electrons.ee also*Covalent bond *Diatomic molecule … Wikipedia
electron pair — noun : a group of two electrons belonging to one atom or shared by two atoms as a chemical bond … Useful english dictionary
Covalent bond — Covalent redirects here. For other uses, see Covalent (disambiguation). A covalent bond forming H2 (right) where two h … Wikipedia
banana bond — noun An extended covalent bond found in boranes in which a hydrogen atom is shared by two boron atoms; a form of three center two electron bond … Wiktionary
covalent bond — Chem. the bond formed by the sharing of a pair of electrons by two atoms. [1960 65] * * * Force holding atoms in a molecule together as a specific, separate entity (as opposed to, e.g., colloidal aggregates; see bonding). In covalent bonds, two… … Universalium
Valence bond theory — In chemistry, valence bond theory explains the nature of a chemical bond in a molecule in terms of atomic valencies. [Murrel, JN, Kettle, SF Tedder, JM The Chemical Bond , John Wiley Sons (1985) ISBN 0 471 90759 6] Valence bond theory summarizes… … Wikipedia
Metallic bond — Metallic bonding is the electrostatic attractive forces between the delocalized electrons, called conduction electrons, gathered in an electron sea , and the positively charged metal ions. Understood as the sharing of free electrons among a… … Wikipedia
Coordinate covalent bond — [ ammonium ion] A coordinate covalent bond (formerly also known as dative bond [GoldBookRef | file = D01523 | title = dative bond] ) is a description of covalent bonding between two atoms in which both electrons shared in the bond come from the… … Wikipedia