radon
Pronunciation:
/ˈɹeɪdɒn/noun
Definitions
The chemical element (symbol Rn, formerly Ro) with atomic number 86. It is an odorless, colorless, chemically inert but radioactive noble gas.
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/ˈɹeɪdɒn/Definitions
The chemical element (symbol Rn, formerly Ro) with atomic number 86. It is an odorless, colorless, chemically inert but radioactive noble gas.