A) \[_{82}P{{b}^{208}}\]
B) \[_{82}P{{b}^{206}}\]
C) \[_{82}P{{b}^{207}}\]
D) \[_{83}B{{i}^{210}}\]
Correct Answer: B
Solution :
The mass no. on division by four gives a residue of 2.
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