A) 13
B) 14
C) 15
D) 16
Correct Answer: D
Solution :
\[\underset{16\,group}{\mathop{_{84}P{{o}^{209}}}}\,\xrightarrow{-\alpha }\,\underset{14\,group}{\mathop{_{82}P{{b}^{207}}}}\,\xrightarrow{-\beta }\,\underset{15\,group}{\mathop{_{83}B{{i}^{207}}}}\,\] (According to group displacement law) Po belongs to 16 group.You need to login to perform this action.
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