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radon
/'reɪdɑn/
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radon
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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Similar:
atomic number 86
rn
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type of:
argonon
chemical element
element
inert gas
noble gas
Synonyms & Similar Words
element
rn
atomic number 86
argonon
chemical element
inert gas
noble gas
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