TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
CHEMICAL BOND [3 records]
Record 1 - internal organization data 2011-08-22
Record 1, English
Record 1, Subject field(s)
- Chemistry
Record 1, Main entry term, English
- chemical bond
1, record 1, English, chemical%20bond
correct, standardized
Record 1, Abbreviations, English
Record 1, Synonyms, English
- bond 2, record 1, English, bond
correct, noun
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
An attractive force between atoms, ions or molecules which is strong enough to allow the combined aggregate to function as a unit. 3, record 1, English, - chemical%20bond
Record number: 1, Textual support number: 1 OBS
Among the main types of bonds recognized, the metallic, covalent, ionic, and bridge bonds may be cited. 3, record 1, English, - chemical%20bond
Record number: 1, Textual support number: 2 OBS
chemical bond: term standardized by ISO. 4, record 1, English, - chemical%20bond
Record 1, French
Record 1, Domaine(s)
- Chimie
Record 1, Main entry term, French
- liaison chimique
1, record 1, French, liaison%20chimique
correct, feminine noun, standardized
Record 1, Abbreviations, French
Record 1, Synonyms, French
- liaison 2, record 1, French, liaison
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Nom générique donné aux différentes interactions qui s'établissent au sein de la matière entre atomes, ions et molécules. 3, record 1, French, - liaison%20chimique
Record number: 1, Textual support number: 1 OBS
On distingue les liaisons métalliques, ioniques ou polaires, homopolaires ou covalentes, résiduelles ou de Van der Waals. 2, record 1, French, - liaison%20chimique
Record number: 1, Textual support number: 2 OBS
liaison chimique : terme normalisé par l'ISO. 4, record 1, French, - liaison%20chimique
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2011-05-16
Record 2, English
Record 2, Subject field(s)
- Biological Sciences
Record 2, Main entry term, English
- chemical bond
1, record 2, English, chemical%20bond
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The strong attractive force that links two atoms of a chemical compound. The first explanations of the nature of these bonds were advanced by G.N. Lewis and W. Kossel. Two major types of bonds were proposed. 1. The ionic or electrovalent bond (following the transfer of one or more electrons from one atom to another to create ions). 2. The covalent bond (a bond that results when atoms share electrons). The central idea in their work on bonds is that atoms without electronic configurations of noble gases generally react in way that produces such configurations. 2, record 2, English, - chemical%20bond
Record number: 2, Textual support number: 1 CONT
Enzymes act by binding together on their surfaces the potential partners of a chemical reaction, thus greatly speeding up the rates at which these reactants can collide and undergo a chemical reaction. In enzyme-catalyzed reactions, certain key atoms of the enzyme often directly participate by temporarily forming chemical bonds with the participating reagents (called enzyme substrates), thereby forming metastable chemical intermediates that have a heightened potential for chemical reactivity. 3, record 2, English, - chemical%20bond
Record 2, French
Record 2, Domaine(s)
- Sciences biologiques
Record 2, Main entry term, French
- liaison chimique
1, record 2, French, liaison%20chimique
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Interactions d'origine électrique dues à la présence de charges positives et négatives (noyaux et électrons) au sein de ces atomes ou de ces ions. 2, record 2, French, - liaison%20chimique
Record number: 2, Textual support number: 1 CONT
Il est particulièrement important, du double point de vue doctrinal et pratique, de connaître les forces qui maintiennent ensemble l'édifice délicat d'une molécule protéinique. [...] Les liaisons chimiques, réalisées par une force d'attraction entre les atomes d'un aminoacide ou entre les atomes d'aminoacides différents, sont variées. Elles sont caractérisées par plusieurs paramètres, dont les plus importants sont la force, le rayon (reliant les centres des deux atomes), le degré de rotation des atomes entre lesquels la liaison s'établit et, dans certains cas, la spécificité. La rupture d'une liaison nécessite un apport d'énergie, dont la quantité est l'équivalent de l'énergie de la liaison. Plus cette énergie est élevée et plus courte est la distance entre les centres de deux atomes qui se combinent. 3, record 2, French, - liaison%20chimique
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1976-06-19
Record 3, English
Record 3, Subject field(s)
- Atomic Physics
Record 3, Main entry term, English
- chemical bond 1, record 3, English, chemical%20bond
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, French
Record 3, Domaine(s)
- Physique atomique
Record 3, Main entry term, French
- liaison d'électrovalence 1, record 3, French, liaison%20d%27%C3%A9lectrovalence
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record 3, Spanish
Record 3, Textual support, Spanish
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