The isotopic mass of 210 rn 86 is 209.989669 amu. when this nuclide decays by electron capture, it emits 2.368 mev. what is the isotopic mass of the resulting nuclide?
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The element here is Radon (Rn) with atomic number of 86. To solve this. add the mass of an electron to the isotopic mass (due to electron capture). Then, from here, subtract the corresponding mass of gamma radiation. (931 mev = 1 amu)
