What is the meaning of 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.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). atomic number 86. Retrieved September 20, 2026, from http://smartdefine.org/atomic_number_86/definitions/1258365
ChicagoWordNet. 2010. "atomic number 86" http://smartdefine.org/atomic_number_86/definitions/1258365 (accessed September 20, 2026).
HarvardWordNet 2010, atomic number 86, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/atomic_number_86/definitions/1258365>.
MLAWordNet. "atomic number 86" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/atomic_number_86/definitions/1258365>