TERMIUM Plus®

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

ACTINIUM EMANATION [1 record]

Record 1 2015-02-17

English

Subject field(s)
  • Chemistry
  • Geochemistry
  • Atomic Physics
DEF

A gaseous, inert, very short-lived radioactive element of the actinium disintegration series and formed by the degradation of AcX (actinium X; radium 223); symbol, An or AcEm; atomic number, 86; ... isotopic with radon and thoron ...

CONT

Radon-219 emanates from actinium and is called actinon. It has a half-life of 3.96 s and is also an alpha emitter.

French

Domaine(s)
  • Chimie
  • Géochimie
  • Physique atomique
DEF

L'un des isotopes naturels du radon [...]

DEF

Gaz inerte de durée de vie radioactive très courte et provenant de la désintégration de l'actinium. Numéro atomique 86, poids atomique 219.

OBS

actinon : Ancienne appellation donnée au radon 219.

CONT

Sans odeur, sans couleur, le radon est un gaz radioactif naturel provenant de la désintégration de l'uranium 238 (radon 222), de l'uranium 235 (radon 219) ou du thorium 232 (radon 220) qui affleure à la surface du sol.

OBS

Radon-219 (demi-vie 3,96 secondes) désintégration alpha.

Spanish

Campo(s) temático(s)
  • Química
  • Geoquímica
  • Física atómica
DEF

Isótopo radiactivo del radón, de masa 219 y de símbolo An.

CONT

El actinón es una emanación que resulta de la desintegración natural del actinio.

OBS

Radón: elemento radiactivo de número atómico 86. Gas incoloro soluble en agua; puede ser condensado a líquido transparente e incoloro y a un sólido opaco resplandeciente. Es el gas más pesado que se conoce.

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