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The radio-nuclide Th90^234 undergoes tw...

The radio-nuclide `Th_90^234` undergoes two successive `beta`- decays followed by one `alpha`- decay. The atomic number and the mass number respectively of the resulting radionuclide are:

A

92 and 234

B

94 and 230

C

90 and 230

D

92 and 230

Text Solution

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The correct Answer is:
C
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