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Radon, with the atomic symbol Rn, has the atomic number 86. Free to download and print
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Element Radon (Rn), Group 18, Atomic Number 86, p-block, Mass [222]. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Radon is a chemical element; it has symbol Rn and atomic number 86. It is a radioactive noble gas and is colorless and odorless. Of the three naturally occurring radon isotopes, only 222 Rn has a sufficiently long half-life (3.825 days) for it to be released from the soil and rock where it is generated.
The ground state electronic configuration of neutral radon is [Xe]. 4f14. 5d10. 6s2. 6p6 and the term symbol of radon is 1S0. At ordinary temperatures radon is a colourless gas.
Radon is a chemical element of the periodic table with chemical symbol Rn and atomic number 86 with an atomic weight of 222 u and is classed as noble gas and is part of group 18 (noble gases). Radon is gas at room temperature.
Radon: element properties, electonic configuration, isotopes, compounds, reactions and pictures.
