Textbook Question
Which nuclide in each pair would you expect to have the longer half-life? a. Cs-149 or Cs-139 b. Fe-45 or Fe-52
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Which nuclide in each pair would you expect to have the longer half-life? a. Cs-149 or Cs-139 b. Fe-45 or Fe-52
Write the nuclear equation for the most likely mode of decay for each unstable nuclide. a. Ru-114 c. Zn-58 d. Ne-31
Write a nuclear equation for the indicated decay of each nuclide. a. Po-210 (alpha) b. Ac-227 (beta)
A sample of Tl-201 has an initial decay rate of 5.88⨉104/s. How long will it take for the decay rate to fall to 287/s? (Tl-201 has a half-life of 3.042 days.)
Write a nuclear equation for the indicated decay of each nuclide. c. Pb-214 (beta)