TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

ELECTRONEGATIVITY [5 records]

Record 1 2020-10-14

English

Subject field(s)
  • Information Processing (Informatics)
  • Artificial Intelligence
CONT

Studies have... employed numerical descriptors that represent physical aspects of the composition[, ] such as sums of covalent radii, differences in electronegativity, or the average melting point of the component elements in the composition. This [form of] descriptor generation has been a crucial preprocessing step to machine learning for a wide array of properties, including melting points, thermoelectric figures of merit, thermal conductivity, solute diffusion barriers in face-centered-cubic metals, and elastic properties, to name a few.

French

Domaine(s)
  • Traitement de l'information (Informatique)
  • Intelligence artificielle
CONT

[...] au moins cinq étapes sont nécessaires à la constitution d'une base de connaissances dans le domaine de [la] musicologie de l'électroacoustique : la [saisie] des données, la génération de descripteurs, le stockage et sa gestion, la recherche d'informations sémantiques et [la] visualisation [de ces informations].

Spanish

Campo(s) temático(s)
  • Tratamiento de la información (Informática)
  • Inteligencia artificial
Save record 1

Record 2 1999-10-12

English

Subject field(s)
  • Chemistry
CONT

Lewis bases(electron donors) are classified as soft if they have high polarizability, low electronegativity, are easily oxidized, or possess low-lying empty orbitals. They are classified as hard if they have the opposite tendencies.

French

Domaine(s)
  • Chimie
DEF

[Base] qui renferme un atome fortement électronégatif et peu polarisable.

Spanish

Save record 2

Record 3 1997-07-09

English

Subject field(s)
  • Electrochemistry
DEF

An effect of a substituent group(on rates of reaction, etc.) having its origin in the substituent electronegativity.

OBS

There are also other substituent effects, e.g. steric effects).

French

Domaine(s)
  • Électrochimie
DEF

Effet d'un substituant (par exemple, sur les vitesses de réaction) ayant pour origine l'électronégativité d'un substituant.

OBS

Il existe d'autres effets de substituant dont, par exemple, les effets stériques.

Spanish

Save record 3

Record 4 1996-09-27

English

Subject field(s)
  • Chemistry
  • Electrolysis (Electrokinetics)
  • Electrochemistry
CONT

Lewis bases(electron donors) are classified as soft if they have high polarizability, low electronegativity, are easily oxidized, or possess low-lying empty orbitals. They are classified as hard if they have the opposite tendencies.

French

Domaine(s)
  • Chimie
  • Électrolyse (Électrocinétique)
  • Électrochimie
DEF

Base qui renferme un atome faiblement électronégatif et facilement polarisable.

Spanish

Save record 4

Record 5 1982-08-05

English

Subject field(s)
  • Analytical Chemistry
DEF

An atom or part of a molecule which supplies both electrons of a duplet forming covalent bond.

CONT

Lewis bases(electron donors) are classified as soft if they have high polarizability, low electronegativity, are easily oxidized, or possess low-lying empty orbitals. They are classified hard if they have the opposite tendencies.

French

Domaine(s)
  • Chimie analytique
CONT

Réenvisageons la réaction la plus simple de neutralisation dans l'eau : action de NH3 ou OH - sur le proton H +, qui ne possède aucun électrode de valence, puisqu'il résulte de la perte d'un électron de l'atome H, qui n'en possède qu'un. [...] Ainsi NH3 et OH - sont des donneurs d'électrons et H + un accepteur.

OBS

donneur. Atome ou groupement fournissant les deux électrons d'une liaison de coordinence.

Spanish

Save record 5

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