TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
VALENCY [2 records]
Record 1 - internal organization data 2015-02-17
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Atomic Physics
Record 1, Main entry term, English
- valence
1, record 1, English, valence
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- valency 2, record 1, English, valency
correct
- valance 3, record 1, English, valance
obsolete
- atomicity 4, record 1, English, atomicity
less frequent
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The maximum number of univalent atoms (originally hydrogen or chlorine atoms) that may combine with an atom of the element under consideration, or with a fragment, or for which an atom of this element can be substituted. 5, record 1, English, - valence
Record number: 1, Textual support number: 1 CONT
Ion exchange materials are insoluble solid granules ... having the property, when placed in contact with a liquid containing ions in solution, of exchanging, valence for valence, some of the ions of which they are composed for other ions existing in the solution, without thereby dissolving or sustaining any structural modification. 6, record 1, English, - valence
Record number: 1, Textual support number: 1 OBS
The concept of valence has been interpreted by different models and theories in theoretical organic chemistry: the valence bond configuration mixing model (VBCM); the valence bond theory (VB); the valence-shell-electron-pair repulsion theory (VSEPR). [Source: "Pure and Applied Chemistry", Vol. 71, 1999, pages 1919-1981).] More work has defined the valence in terms of "non-active valence electrons", "active valence nucleons", "chemically active valence electrons", "chemically active (valence) and inert (core) electrons" and "active valence orbitals". 7, record 1, English, - valence
Record 1, French
Record 1, Domaine(s)
- Chimie
- Physique atomique
Record 1, Main entry term, French
- valence
1, record 1, French, valence
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- atomicité 2, record 1, French, atomicit%C3%A9
feminine noun, less frequent
- valence atomique 2, record 1, French, valence%20atomique
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Nombre maximal d'atomes univalents (originalement des atomes d'hydrogène ou de chlore) qui peuvent se combiner avec un atome de l'élément considéré, ou avec un fragment ou pour lequel un atome de cet élément peut être substitué. 3, record 1, French, - valence
Record number: 1, Textual support number: 1 CONT
Alors que le neptunium, comme ses voisins dans la classification périodique des éléments, uranium et plutonium, possède de multiples états de valence relativement stables en milieu nitrique : Np(IV), Np(V), Np(VI), l'américium et le curium se caractérisent, comme les terres rares, par une valence III très stable sinon unique. 4, record 1, French, - valence
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Química
- Física atómica
Record 1, Main entry term, Spanish
- valencia
1, record 1, Spanish, valencia
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- atomicidad 2, record 1, Spanish, atomicidad
correct, feminine noun
- valencia atómica 3, record 1, Spanish, valencia%20at%C3%B3mica
correct, feminine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Número representativo de la proporción en que un átomo es susceptible de combinarse con otros átomos; depende en general del número y la disposición de los electrones de la capa electrónica externa del átomo, llamada «capa de valencia» («valence shell»). 4, record 1, Spanish, - valencia
Record 2 - internal organization data 2006-10-04
Record 2, English
Record 2, Subject field(s)
- Immunology
- Biotechnology
Record 2, Main entry term, English
- valence 1, record 2, English, valence
Record 2, Abbreviations, English
Record 2, Synonyms, English
- valency 2, record 2, English, valency
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The number of binding sites on a molecule that can react with ligands. Thus, the valence of an antibody is the number of antigen-binding sites it possesses, and the valence of an antigen is the number of determinants (whether identical or different) that can bind antibody. 2, record 2, English, - valence
Record 2, French
Record 2, Domaine(s)
- Immunologie
- Biotechnologie
Record 2, Main entry term, French
- valence
1, record 2, French, valence
feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
La valence d'un anticorps est le nombre de sites anticorps par molécule. Les anticorps IgG sont bivalents, les IgM penta ou décavalents. La valence d'un antigène est le nombre de déterminants antigéniques présents sur la molécule d'antigène qui sont accessibles aux anticorps. 2, record 2, French, - valence
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Inmunología
- Biotecnología
Record 2, Main entry term, Spanish
- valencia
1, record 2, Spanish, valencia
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
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