radon gas

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• Radon — This article is about the chemical element. For other uses, see Radon (disambiguation). astatine ← radon → francium Xe ↑ Rn ↓ Uuo …   Wikipedia

• radon — /ray don/, n. Chem. a chemically inert, radioactive gaseous element produced by the decay of radium: emissions produced by outgassing of rock, brick, etc. are a health hazard. Symbol: Rn; at. no.: 86; at. wt.: 222. [1915 20; RAD(IUM) + ON2] * * * …   Universalium

• Radon therapy — Based on the substantial experiences as reflected in more than one thousand papers, mostly in peer reviewed scientific journals, radon therapy by inhalation or baths has been established as an evidence based effective treatment not only by… …   Wikipedia

• Gas — (Palabra inventada por el químico flamenco Van Helmont.) ► sustantivo masculino 1 FÍSICA Estado de la materia caracterizado por no tener forma ni volumen propios y cuyas moléculas tienden a separarse unas de otras. 2 QUÍMICA Mezcla de… …   Enciclopedia Universal

• Gas mantle — For other uses of mantle see: mantleAn incandescent gas mantle, gas mantle, or Welsbach mantle is a device for generating bright white light when heated by a flame. The name refers to its original heat source, existing gas lights which filled the …   Wikipedia

• gas — I UK [ɡæs] / US noun Word forms gas : singular gas plural gasses *** Differences between British and American English: gas: In the UK, gas usually refers to a clear substance like air that is burned to cook food or to heat your house: a gas… …   English dictionary

• gas — gas1 [ gæs ] noun *** 1. ) uncount AMERICAN liquid fuel that is used for producing power in the engines of cars. British petrol: GASOLINE: get gas: We need to get some gas before we leave town. 2. ) count or uncount a substance such as air that… …   Usage of the words and phrases in modern English

• radon seed — noun a small glass or gold tube, containing radon gas, implanted in a patient as radiotherapy …   Wiktionary

• Radón — Saltar a navegación, búsqueda Astato Radón Francio Xe Rn Uuo       Tabla completa …   Wikipedia Español

• Gas noble — Saltar a navegación, búsqueda Los gases nobles o gases inertes son un grupo de elementos químicos con propiedades muy similares: bajo condiciones normales, son gases monoatómicos inodoros, incoloros y presentan una reactividad química muy baja.… …   Wikipedia Español

• Radon — Ra don (r[=a] d[o^]n), n. (Chem.) An intensely radioactive gaseous element produced by the radioactive decay of radium 226, which is the main isotope of radium found in pitchblende. Chemically it is an inert noble gas. Its atomic symbol is Rn. It …   The Collaborative International Dictionary of English