A) \[_{50}S{{n}^{115}}\]
B) \[_{82}P{{b}^{206}}\]
C) \[_{82}P{{b}^{208}}\]
D) \[_{50}S{{n}^{118}}\]
Correct Answer: C
Solution :
Magic no. are 2, 8, 20, 28, 50 and 82 protons in nucleus or 2, 8, 20, 28, 50, 82, 126 neutrons in nucleus. These numbers impart stability to nucleus.
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