Nuclear Physics And Radioactivity Question 331
Question: An artificial radioactive decay series begins with unstable $ _{94}^{241}Pu $ . The stable nuclide obtained after eight $ \alpha - $ decays and five $ \beta - $ decays is [SCRA 1998]
Options:
A) $ _{83}^{209}Bi $
B) $ _{82}^{209}Pb $
C) $ _{205}^{82}Ti $
D) $ _{82}^{201}Hg $
Show Answer
Answer:
Correct Answer: A
Solution:
Mass number decreases by $ 8\times 4=32 $ Atomic number decreases by $ 8\times 2-5=11 $
BETA
