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Calculate the binding energy (in MeV) of a deuterium nucleus consisting of one proton and a...

  1. Calculate the binding energy (in MeV) of a deuterium nucleus consisting of one proton and a neutron as the nuclear mass is 2.014102 unit.
  2. The half- life of radium-226 is 1.6 × 103 If a sample initially contains 3.0 × 1016 such nuclei, what is the number of radium nuclei remaining after 4.8 × 103 years?
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