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Chemistry, 11e (Brown/LeMay/Brusten/Murphy) Chapter 21: Nuclear Chemistry
- Exam (elaborations) • 46 pages • 2023
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21.1 Multiple-Choice and Bimodal Questions 
1) What percentage of electricity generated in the U.S. is from commercial nuclear 
plants? 
A) 1% 
B) 10% 
C) 20% 
D) 50% 
E) 90% 
Answer: C 
Diff: 1 
Page Ref: Ch. 21 Intro. 
2) By what process does thorium-230 decay to radium-226? 
A) gamma emission 
B) alpha emission 
C) beta emission 
D) electron capture 
E) positron emission 
Answer: B 
Diff: 1 
Page Ref: Sec. 21.1 
3) The alpha decay of what isotope of what element produces lead-206? 
A) poloniu...
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