Multiple Choice
The isotope 238U,which starts one of the natural radioactive series,decays first by alpha decay followed by two negative beta decays.At this point,what is the resulting isotope?
A) 238U
B) 236U
C) 234Th (Z = 90 for Th. )
D) Some other uranium isotope not given above.
Correct Answer:

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Correct Answer:
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