1) Argonon 2) Atomic number 86 3) Basement hazard 4) Cellar gas 5) Chemical element 6) Chemical element 7) Colorless gas 8) Colorless vapor 9) Concern for many a homeowner 10) Danger in a uranium mine 11) Dangerous element 12) Dangerous emission 13) Dangerous gas 14) Dangerous gaseous element 15) Dangerous household gas
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https://www.crosswordclues.com/clue/radon
1) Gas 2) Rn
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https://www.crosswordclues.com/clue/radon
Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas, occurring naturally as an indirect decay product of uranium or thorium. Its most stable isotope, 222Rn, has a half-life of 3.8 days. Radon is one of the densest substances that remains a gas under normal conditions. It is...
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http://en.wikipedia.org/wiki/Radon
(Rn), chemical element, a heavy radioactive gas of Group 0 (noble gases) of the periodic table, generated by the radioactive decay of radium. Radon ... [8 related articles]
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http://www.britannica.com/eb/a-z/r/5
A radioactive gas that is released by uranium, a substance found in soil and rock. Breathing in too much radon can damage lung cells and may lead to lung cancer.
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http://www.cancer.gov/dictionary?expand=R
A naturally occurring radioactive gas found in many types of soil, rock, and water. It can migrate into most buildings. Studies have linked high concentrations of radon to lung cancer.
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http://www.daviddarling.info/encyclopedia/R/AE_radon.html
(Rn) A colorless, radioactive, unreactive gaseous element. Radon (Ra) is a member of the inert gas family. It is formed by the disintegration of radium, uranium, and thorium. Found in some radioactive minerals, Radon-222 (Rn
222) has a half-life of 3.8 days...
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http://www.daviddarling.info/encyclopedia/R/radon.html
A naturally occurring radioactive gas found in the U.S. in nearly all types of soil, rock, and water. It can migrate into most buildings. Studies have linked high concentrations of radon to lung cancer.
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http://www.electromn.com/glossary/r.htm
A naturally-occurring, radioactive gas which is heavier than air and is common in many parts of the country. Radon gas exposure is associated with lung cancer. Mitigation measures may involve crawl space and basement venting and various forms of vapor barriers.
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http://www.encyclo.co.uk/local/20933
A radioactive element formed as a gas during the breakdown of radium. ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973
(Rn) (ra´don) a chemical element, atomic number 86, atomic weight 222. Radon is a colorless, gaseous, radioactive element produced by the disintegration of radium.
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http://www.encyclo.co.uk/local/21001
- A naturally-occurring, heavier than air, radioactive gas common in many parts of the country. Radon gas exposure is associated with lung cancer. Mitigation measures may involve crawl space and basement venting and various forms of vapor barriers.
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http://www.homebuildingmanual.com/Glossary.htm
(Rn) Type: Term Pronunciation: rā′don Definitions: 1. A gaseous radioactive element, atomic no. 86, resulting from the breakdown of radium; of the isotopes with mass numbers between 198 and 228, only 222Rn is medically significant as an α-emitter, with a half-life of 3.8235 days; it is used in the treatment of certain maligna...
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http://www.medilexicon.com/medicaldictionary.php?t=75085
Radon is a gaseous element of the noble gases group with the symbol Rn discovered by Frederick Ernst Dorn.
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http://www.probertencyclopaedia.com/browse/GR.HTM
A naturally-occurring radio active gas common in many parts of the country e.g. very high levels are found in portions of Pennsylvania and New Jersey and very low levels are found in most portions of western Washington. Radon gas exposure is associated with lung cancer. Mitigation measures may involve crawl space and basement venting and various fo...
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http://www.soundhome.com/glossary
A colorless naturally occurring, radioactive, inert gas formed by radioactive decay of radium atoms in soil or rocks.
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https://www.encyclo.co.uk/local/20094
A radioactive element and the heaviest of the noble gases. Symbol Rn
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https://www.encyclo.co.uk/local/20687
a colourless, odourless, tasteless radioactive gas that is produced by materials in soil, rocks, and building materials; suspected of causing cancer
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https://www.encyclo.co.uk/local/20875
Rn noun a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
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https://www.encyclo.co.uk/local/20974
Colourless, odourless, gaseous, radioactive, non-metallic element, atomic number 86, relative atomic mass 222. It is grouped with the noble gases (rare gases) and was formerly considered nonreactive, but is now known to form some compounds with fluorine. Of the 20 known isotopes, only three occur in nature; the longest half-life is 3.82...
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https://www.encyclo.co.uk/local/21221
a radioactive gas found in some homes that, if occurring in strong enough concentrations, can cause health problems.
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https://www.encyclo.co.uk/local/21674
A naturally-occurring, heavier than air, radioactive gas common in many parts of the country. Radon
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https://www.encyclo.co.uk/local/22400
A naturally occurring radioactive gas found in the U.S. in nearly all types of soil, rock, and water. It can migrate into most buildings. Studies have linked high concentrations of radon to lung cancer.
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https://www.encyclo.co.uk/local/22819
A naturally-occurring, heavier than air, radioactive gas common in many parts of the country. Radon gas exposure is associated with lung cancer. Mitigation measures may involve crawl space and basement venting and various forms of vapor barriers.
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https://www.homebuildingmanual.com/Glossary.htm
(Rn) A heavy radioactive gas given off by rocks containing radium (or thorium). Rn-222 is the main isotope, from decay of radium-226.
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https://www.world-nuclear.org/nuclear-basics/glossary.aspx
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