The radioactive nuclide `""_(90)""^(234)Th` shows two succesive `beta`-decay followed by one `alpha`-decay. The atomic nuimber and mass number respectively of the resulting atom isA. 90 and 230B. 92 and 230C. 92 and 234D. 94 and 230

The radioactive nuclide `""_(90)""^(234)Th` shows two succesive `beta`

1.	The radioactive nuclide `""_(90)""^(234)Th` shows two succesive `beta`-decay followed by one `alpha`-decay. The atomic nuimber and mass number respectively of the resulting atom isA. 90 and 230B. 92 and 230C. 92 and 234D. 94 and 230
Answer» Correct Answer - a During the emmision of `alpha` particle `Zdarr` by 2 units and `Adarr` by 4 units . During the emmision of `beta` particle `Zuarr` by 1 unit and A doesn t change `2""^(n)=N""_(0)/N=(15.5-1.5)/3.5=4,n=2`

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The radioactive nuclide `""_(90)""^(234)Th` shows two succesive `beta`-decay followed by one `alpha`-decay. The atomic nuimber and mass number respectively of the resulting atom isA. 90 and 230B. 92 and 230C. 92 and 234D. 94 and 230

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