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A uranium nucleus (atomic number 92, mass number 238 ) emits an alpha particle and the resultant nucleus emits β – particle. What are the atomic number and mass number of the final nucleus. (i) Atomic number = (ii) Mass number =

A uranium nucleus (atomic number 92, mass number 238 ) emits an alpha particle and the resultant nucleus emits β – particle. What are the atomic number and mass number of the final nucleus.      
(i) Atomic number =
(ii) Mass number =

Grade:upto college level

1 Answers

Rinkoo Gupta
askIITians Faculty 80 Points
8 years ago
92U238-->90Th234+2He4
90Th234-->92U234+ 2β
Thus the atomic number of final nucleus=92 and mass number is 234.
Thanks & Regards
Rinkoo Gupta
AskIITians Faculty

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