TERMIUM Plus®

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ILLINIUM [1 record]

Record 1 - external organization data 2012-03-06

English

Subject field(s)
  • Chemistry
  • Geochemistry
  • Compartment - Canadian Nuclear Safety Commission
Universal entry(ies)
DEF

A rare earth element discovered in the fission products of uranium.

CONT

[Promethium] is prepared in a cyclotron by bombarding neodymium with protons and from nuclear reactor fuels by ion-exchange separations. Fourteen isotopes, promethium 141 to promethium 154, have been made; ... Symbol, Pm; valence, 3; atomic number, 61; ...

OBS

illinium: A disused name; named after the University of "Illinois," where the presence of this element was confirmed during an X-ray analysis in 1926.

French

Domaine(s)
  • Chimie
  • Géochimie
  • Tiroir - Commission canadienne de sûreté nucléaire
Entrée(s) universelle(s)
DEF

Métal du groupe des lanthanides (terres rares), radioactif et instable.

OBS

Élément de numéro atomique 61; masse atomique 145.

OBS

prométhium : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée).

Spanish

Campo(s) temático(s)
  • Química
  • Geoquímica
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
Entrada(s) universal(es)
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