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Reference, Questions and Help => Nuke Q&A => Definitions => Topic started by: Rennhack on Nov 25, 2005, 01:24

Title: Radon (Rn)
Post by: Rennhack on Nov 25, 2005, 01:24
A radioactive element that is one of the heaviest gases known. Its atomic number is 86. It is a daughter of radium.