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radioactive noble gas

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  • Noble gas — Group 18 Period 1 2 He 2 …   Wikipedia

  • noble gas — Chem. any of the chemically inert gaseous elements of group 8A or 0 of the periodic table: helium, neon, argon, krypton, xenon, and radon. Also called inert gas. [1900 05] * * * or inert gas Any of the six chemical elements that make up the… …   Universalium

  • Noble gas compound — Contents 1 History and background 2 Pre 1962 compounds 2.1 Clathrates …   Wikipedia

  • International Noble Gas Experiment — The International Noble Gas Experiment (INGE) was formed in 1999 as an informal expert s group of developers of radioactive xenon measurement systems for the International Monitoring System for the Comprehensive Nuclear Test Ban Treaty (CTBT).… …   Wikipedia

  • Gas-filled tube — See also: Gas discharge lamp A gas filled tube, also known as a discharge tube, is an arrangement of electrodes in a gas within an insulating, temperature resistant envelope. Although the envelope is typically glass, power tubes often use… …   Wikipedia

  • gas — noun 1 substance like air ADJECTIVE ▪ deadly, noxious, poisonous, toxic ▪ explosive, flammable, inflammable (esp. BrE), radioactive …   Collocations dictionary

  • natural gas — a combustible mixture of gaseous hydrocarbons that accumulates in porous sedimentary rocks, esp. those yielding petroleum, consisting usually of over 80 percent methane together with minor amounts of ethane, propane, butane, nitrogen, and,… …   Universalium

  • Krypton — infobox kryptonKrypton (pronEng|ˈkrɪptən or IPA|/ˈkrɪptɒn/; from el. kryptos hidden ) is a chemical element with the symbol Kr and atomic number 36. It is a member of Group 18 and Period 4. A colorless, odorless, tasteless noble gas, krypton… …   Wikipedia

  • 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

  • Air pollution — from World War II production Smog over …   Wikipedia

  • Isotopes of krypton — There are 31 known isotopes of krypton (Kr). [cite web |url=http://ie.lbl.gov/education/parent/Kr iso.htm |title=Isotopes of Krypton |accessdate=2007 03 20 |publisher=Nuclear Science Division] Naturally occurring krypton is made of five stable… …   Wikipedia

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