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Basic Chemistry Practice Test: Nuclear Chemistry
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Nuclear chemistry is a branch of chemistry that studies radioactivity, nuclear processes, and changes in the nuclei of atoms.

Basic Chemistry Practice Test: Nuclear Chemistry
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25 Questions

1. Which type of radioactive decay results in no change in mass number and atomic number for the starting nucleus?
2. The three radioactive series that occur in nature end with what element __________?
3. What type of reaction is known as a thermonuclear reaction?
4. The basis for the carbon-14 dating method is that
5. The half-life for beta decay of strontium-90 is 28.8 years. A milk sample is found to contain 10.3 ppmstrontium-90. How many years would pass before the strontium-90 concentration would drop to 1.0 ppm?
6. What is the typical percent of uranium-235 in the enriched UO2 pellets used in nuclear reactors __________?
7. 41Ca decays by electron capture. The product of this reaction undergoes alpha decay. What is the product of this second decay reaction __________?
8. The main scientific difficulty in achieving a controlled fusion process is the
9. Which one of the following is not true concerning radon?
10. Which one of the following is true?
11. The energy produced by the sun is the result of nuclear fusion.
12. How many neutrons are emitted when a californium-249 nucleus (Z=98) is bombarded with a carbon-12 nucleus to produce a 257 104 Rf nucleus __________?
13. Which one of the following can be done to shorten the half-life of the radioactive decay of uranium-238?
14. Of the following processes, which one changes the atomic number?
15. What is the largest number of protons that can exist in a nucleus and still be stable __________?
16. All atoms of a given element have the same
17. The half-life of a radionuclide
18. Carbon-11 decays by positron emission:
11 6 C . 11 5 B + 01 e The decay occurs with a release of 2.87 × 1011 J per mole of carbon-11. When 4.00 g of carbon-11 undergoes this radioactive decay, __________ g of mass is converted to energy.
19. The missing product in this reaction would be found in which group of the periodic table? 24 11 Na . 0 -1 e + __________
20. How much energy is produced when 0.082 g of matter is converted to energy?
21. Potassium-40 decays to argon-40 with a half-life of 1.27 × 109 yr. The age of a mineral sample that has a mass ratio of 40Ar to 40K of 0.812 is __________ yr.
22. When ionizing radiation enters the body, what is the predominant free radical produced __________?
23. Who is credited with first achieving fission of uranium-235 __________?
24. The carbon-14 dating method can be used to determine the age of a
25. In the nuclear transmutation represented by 16 8 O (p, a) 13 7 N, the emitted particle is __________.

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