Chapter 30 Homework

1. (p.940. prob.7) How much energy must an a particle have to just "touch the surface of a ²³⁸₉₂U nucleus?

Answer

2. (p.940 prob.16) Compare the binding energy of a neutron in ²³₁₁Na to that in ²⁴₁₁Na.

Answer

3. (p.940 prob.25) A U nucleus emits an a particle with KE = 5.32MeV. What is the final nucleus and what is the approximate atomic mass (in u) of the final atom?

Answer

4. (p.941 prob. 42) In a series of decays, the nuclide ²³⁵₉₂U becomes ²⁰⁷₈₂Pb. How many a and b^- particles are emitted in this series?

Answer

5. (p.941 prob.50) A radioactive nuclide produces 2880 decays per minute at one time, and 1.6h later produces 820 decays per minute. What is the half-life of the nuclide?

Answer