1.

An element \[_{96}{{X}^{227}}\] emits \[4\alpha \] and \[5\beta \] particles to form new element Y. Then atomic number and mass number of Y are                                           [MH CET 2002]

A.                 93; 211
B.                 211; 93
C.                 212; 88 
D.                 88; 211
Answer» B.                 211; 93


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