Nuclear Physics and RadioactivityHard
Question
A nucleus undergoes a series of decay according to the scheme
A
B
C
D
E Atomic number and mass numbers of E are 69 and 172
A
Options
A.Atomic number of A is 72
B.Mass number of B is 176
C.Atomic number of D is 69
D.Atomic number of C is 69
Solution
Assuming β to be +1β0
69E172
69D172
71C176
72B176
74A180
69E172
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