1.

In the nuclear reaction\[_{92}{{U}^{238}}{{\to }_{z}}T{{h}^{A}}{{+}_{2}}H{{e}^{4}}\], the values of A and Z are                                       [MP PMT 1996]

A.            A = 234, Z = 94                     
B.            A = 234, Z = 90
C.            A = 238, Z = 94                     
D.            A = 238, Z = 90
Answer» C.            A = 238, Z = 94                     


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