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radon
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The answer RADON has 260 possible clue(s) in existing crosswords.
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The word RADON is VALID in some board games. Check RADON in word games in Scrabble, Words With Friends, see scores, anagrams etc.
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Definitions of radon in various dictionaries:
noun - a radioactive gaseous element formed by the disintegration of radium
noun - a radioactive element
RADON - Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas. It occurs naturally i...
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Possible Jeopardy Clues |
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Radium comes from radius, the Latin for "ray"; this element's name comes from radium |
Because it's generated by radium, this gaseous element, symbol Rn, was once called radium emanation |
Alphabetically, it's right after radium |
Rn:Ms. Chong might be able to help you with this one |
The EPA says this gas seeping into homes causes 21,000 lung cancer deaths a year |
Charcoal canisters & alpha-track detectors are used to detect this radioactive gas in homes |
Building on the Curies' work, Friedrich Dorn found this gas & first called it "emanation" |
Unwelcome in basements, this radioactive element is the heaviest of the noble gases |
All 6 noble gases were discovered on Earth between 1894 & 1900; this one, symbol Rn, was the last |
In 1988 Congress passed an Indoor Abatement Act to reduce levels of this toxic gas in the home |
Possible Dictionary Clues |
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A colorless, radioactive, inert gaseous element formed by the radioactive decay of radium. It is used as a radiation source in radiotherapy and to produce neutrons for research. Its most stable isotope is Rn 222 with a half-life of 3.82 days. Atomic number 86 melting point -71C boiling point -61.8C specific gravity (solid) 4. See Table at element. |
the chemical element of atomic number 86, a rare radioactive gas belonging to the noble gas series. |
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 |
a chemical element that is a radioactive gas formed when radium decays and found naturally in rock and soil: |
a colorless radioactive gas that is formed when radium ( a chemical element) and some other substances break down |
Geographic Matches |
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Radon, Basse-Normandie, FRANCE |
Radon, Sistan va Baluchestan, IRAN (ISLAMIC REPUBLIC OF) |
Radon description |
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Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, colorless, odorless, tasteless noble gas. It occurs naturally in minute quantities as an intermediate step in the normal radioactive decay chains through which thorium and uranium slowly decay into lead and various other short-lived radioactive elements; radon itself is the immediate decay product of radium. Its most stable isotope, 222Rn, has a half-life of only 3.8 days, making radon one of the rarest elements since it decays away so quickly. However, since thorium and uranium are two of the most common radioactive elements on Earth, and they have three isotopes with very long half-lives, on the order of several billions of years, radon will be present on Earth long into the future in spite of its short half-life as it is continually being generated. The decay of radon produces many other short-lived nuclides known as radon daughters, ending at stable isotopes of lead.Unlike all the other intermedia |