The radio-nuclide Th_90^234undergoes two successive beta- decays follo – InterviewSolution

1.	The radio-nuclide Th_90^234undergoes two successive beta- decays followed by one alpha- decay. The atomic number and the mass number respectively of the resulting radionuclide are:
Answer» 92 and 234 94 and 230 90 and 230 92 and 230 ANSWER :C

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