TERMIUM Plus®

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ARGON [1 record]

Record 1 - external organization data 2011-03-30

English

Subject field(s)
  • Chemical Elements and Compounds
  • Atmospheric Physics
  • Compartment - Canadian Nuclear Safety Commission
Universal entry(ies)
DEF

Noble gas, symbol Ar, of atomic mass 40, that composes 0.93% by volume of dry air.

OBS

Discovered in 1894 [by Rayleigh and Ramsay] and named from its chemical inertness. Symbol Ar, atomic number 18, atomic weight 39.944.

OBS

Argon is constantly produced in the earth's crust from the radioactive decay of 40K and is subsequently released into the atmosphere. It is the most abundant of the inert gases in the atmosphere, and the third most abundant of all atmospheric constituents.

OBS

Used in electric light bulbs and in fluorescent tubes.

French

Domaine(s)
  • Éléments et composés chimiques
  • Physique de l'atmosphère
  • Tiroir - Commission canadienne de sûreté nucléaire
Entrée(s) universelle(s)
DEF

Gaz rare inerte, incolore, constituant environ le cinquième de l'atmosphère terrestre; élément chimique (Ar) de numéro atomique 18, de masse atomique 39,94.

OBS

L'argon est utilisé dans certaines méthodes de datation radiométrique.

OBS

[L']argon [...] a été découvert par Lord Rayleigh et Sir William Ramsay en 1894.

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Física de la atmósfera
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
Entrada(s) universal(es)
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