The stable nuclide is formed from
By a long series of α and β decays. Which of the following nuclides could not be involved in this decay series?
A) Po-218
B) Pu-239
C) Tl-210
D) Ra-226
E) Th-234

Question

The stable nuclide  is formed from 
By a long series of α and β decays. Which of the following nuclides could not be involved in this decay series?
A) Po-218 
B) Pu-239 
C) Tl-210 
D) Ra-226 
E) Th-234

Quizplus · Accepted Answer

Pu-239 is not possible to be involved in the decay series leading to 11eaaf91_9dc7_155a_892c_9ddbb53ed8c9_TB6422_11 because its half-life is too long to reach the final stable nuclide. The other nuclides listed have shorter half-lives and can therefore be involved in the decay series.

The Stable Nuclide Is Formed from