TERMIUM Plus®

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

SELF-IONIZATION [1 record]

Record 1 2013-10-01

English

Subject field(s)
  • Electrolysis (Electrokinetics)
  • Electrochemistry
  • Atomic Physics
  • Chemistry
DEF

The radiationless transition of an electron in an atom from a discrete electronic level to an ionized continuous level of the same energy.

CONT

"Auto-ionization" occurs when an internally supra-excited atom or molecular variety loses an electron spontaneously without further interaction with an energy source.

French

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

Émission d'un électron par un atome, [...] accompagnée du remplissage d'un vide sur une couche electronique interne.

CONT

L'action de l'eau a bien été mise en évidence par cryoscopie : les premières additions ne font varier qu'assez peu le point de fusion [...]; elles font apparaître en effet des ions H2SO4-, qui rétrogradent l'auto-ionisation par déplacement de l'équilibre.

Spanish

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