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PAR ELECTRONES [1 record]

Record 1 2003-10-30

English

Subject field(s)
  • Chemistry
DEF

A pair of valence electrons which form a nonpolar bond between two neighboring atoms.

CONT

According to Lewis, an acid is a species that can accept an electron pair from a base with the formation of a chemical bond composed of a shared electron pair (covalent bound).

French

Domaine(s)
  • Chimie
DEF

Ensemble de deux électrons de spin contraire associables à une même orbitale atomique ou moléculaire.

CONT

Une interprétation plus générale encore est due à Lewis (1923) : la réaction acide-base est l'échange d'un doublet électronique entre deux corps, dont l'un, l'acide, est accepteur du doublet et l'autre, la base, est donneur.

Spanish

Campo(s) temático(s)
  • Química
DEF

Par de electrones que efectúa el enlace de dos átomos en ciertas moléculas.

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