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. Synonyms: atomic number 86, radon.
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Words linked to "Rn" : argonon, inert gas, nurse-midwife, nurse practitioner, nurse, nurse clinician, np, noble gas, element, chemical element |
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