Radium-226 atomic mass 226025402 amu decays to radon-224 a
Radium-226 (atomic mass = 226.025402 amu) decays to radon-224 (a radioactive gas) with a half-life of 1.6x10^3 years. What volume of radon gas (at 25 C and 1 atm) is produced by 22 grams of radium in 4.5 days.
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radium-226 atomic mass 226025402 amu decays to radon-224 a radioactive gas with a half-life of 16x103 years what
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