What does RN mean in Unclassified?
This page is about the meanings of the acronym/abbreviation/shorthand RN in the Miscellaneous field in general and in the Unclassified terminology in particular.
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What does RN mean?
- radon, Rn, atomic number 86(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