Chem 1075 Chapter 18 Nuclear Chemistry Learning Goals / Study Guide
Suggested Homework:
Key Concepts (p. 511): 1, 2, 3, 4, 10 (answers in Appendix H)
Exercises: 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25 (hint: start with 100% as initial quantity), 27,
29, 31 (hint: draw out activity and count # half-lives first), 43, 45, 47, 49, 51, 53, 71, 73, 79
Learning Goals:
1. Know the description, notation, penetrating power and shielding requirements for alpha, beta
and gamma radiation
2. Know the notations for particles represented in Table 18.2 on p. 495
3. Be able to balance nuclear reactions
4. Know how to recognize alpha emission, beta emission, gamma emission, positron emission,
electron capture (or how to write a balanced nuclear equation from a word description)
5. Be able to use half-life data to determine quantities of substance left after a period of time; or
how long it takes to have a certain quantity remaining.
6. Be able to recognize a transmutation (bombardment) and balance a nuclear equation
7. OMIT 18.5 Radionuclide Applications
8. OMIT 18.7 and 18.8 Nuclear Fission and Fusion
Write the following balanced nuclear equations:
1. An iodine-135 decays to form xenon-135 and what particle?
2. When potassium-40 decays with beta emission, what is the nuclide produced?
3. Cobalt-59 is bombarded with a neutron to form and alpha particle and what nuclide?
4. Balance: 235U + 1n —> 99Sr + 135Te + 2 ____
92 0 40 52
Answers: 1. Beta particle is formed; 2, 40Ca; 3. 56Mn
20 25
4. 235U + 1n —> 99Sr + 135Te + 2 1n
92 0 40 52 0
PDF created with FinePrint pdfFactory trial version http://www.pdffactory.com