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Objectives

After studying the material of this chapter, the student should be able to:
1. Determine the number of neutrons in a nuclide of known atomic number and mass number.
2. Explain what is meant by an isotope of an element. State how isotopes of an element differ and state the properties they have in common.
3. Explain what is meant by the unified atomic mass unit. Calculate the energy equivalent in MeV of an atomic mass unit.
4. Given a table of nuclear masses, calculate the binding energy of a nucleus and the binding energy per nucleon.
5. Identify the three kinds of radiation emitted by radioactive substances. State which radiations are deflected by electric and magnetic fields.
6. Give the symbol used to represent each of the following: alpha particle, beta- particle, beta+ particle, gamma ray.
7. Write a general equation to represent each of the following possible radiation decays: alpha decay, beta+ decay, beta- decay, gamma decay.
8. Distinguish between the parent nucleus and daughter nucleus in a nuclear transmutation.
9. Calculate the disintegration energy (Q) for a given alpha decay.
10. List the four conservation laws which apply to radioactive decays.
11. Write the equation which relates the half life of a substance to its decay constant.
12. Write the equation for the law of radioactive decay. Explain the meaning of each symbol in the equation. Solve problems related to the law of radioactive decay.





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