1.

After losing a number of a and b-particles. \[_{92}{{U}^{238}}\] is changed to \[_{82}P{{b}^{206}}\]. The total number of a-particles lost in this process is     [UPSEAT 1999, 2000]

A.        10
B.        5
C.        8    
D.        32
Answer» D.        32


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