Radon carbon dating
Radon can be found in small quantities seeping up from rocks and soils in the Earth.
Radon-222 has a half life of 3.8 days, decaying into Alpha particles (helium nuclei) and a polonium isotope.
Radon is a radioactive noble gas, and is the heaviest of the noble gases with atomic number 86 and relative atomic mass 222.Radon can be found with twenty different isotopes, three of the most common being Radon-222, Radon-220 (also known as Thoron) and Radon-219.
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