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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
synonym
atomic number 86
radon
hypernym
argonon
inert gas
noble gas
Rn vs argonon
Rn vs atomic number 86
Rn vs inert gas
Rn vs noble gas
Rn vs radon
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