Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Textbook Question
Chapter 40, Problem 14A
Why are the fission-fragment elements radioactive?
Expert Solution & Answer
To determine
The reason for fission fragments being radioactive.
Explanation of Solution
Introduction:
The elements produced in the fission reaction are called fission fragments. It produces due to variation in the composition of the nucleus of the primary atom.
The number of protons must be equal to the number of neutron in the nucleus for stability of light nuclei. The heavy elements need more neutron than proton for stability of nuclei.
The process of making the stable nuclei of heavy element by neutron bombardment is called neutron activation. The neutrons are present abundantly in the nuclear reactor. So, the fission fragments are radioactive.
Conclusion:
Thus, the fission fragments are radioactive because neutrons present abundantly in the nuclear reactor fragments only radioactive material.
Chapter 40 Solutions
Conceptual Physics: The High School Physics Program
Ch. 40 - Prob. 1ACh. 40 - What is the role of a neutron in nuclear fission?Ch. 40 - Prob. 3ACh. 40 - Prob. 4ACh. 40 - a. Which isotope of uranium is most common? b....Ch. 40 - Prob. 6ACh. 40 - Prob. 7ACh. 40 - Why must uranium be enriched so that it contains a...Ch. 40 - Why do heavier molecules in a gas move more slowly...Ch. 40 - Why cant U-235 and U-238 be separated by a...
Ch. 40 - How is gaseous diffusion used to separate atoms of...Ch. 40 - Prob. 12ACh. 40 - Prob. 13ACh. 40 - Why are the fission-fragment elements radioactive?Ch. 40 - What happens when U-238 absorbs a neutron?Ch. 40 - Is plutonium an isotope of uranium or is it a...Ch. 40 - Prob. 17ACh. 40 - Prob. 18ACh. 40 - Prob. 19ACh. 40 - Prob. 20ACh. 40 - Prob. 21ACh. 40 - Prob. 22ACh. 40 - Prob. 23ACh. 40 - Prob. 24ACh. 40 - Prob. 25ACh. 40 - Prob. 26ACh. 40 - Prob. 27ACh. 40 - Rank from greatest to least the reduction in mass...Ch. 40 - Why does a neutron often make a better nuclear...Ch. 40 - Prob. 30ACh. 40 - Prob. 31ACh. 40 - Prob. 32ACh. 40 - Why is lead found in all deposits of uranium ores?Ch. 40 - Why are there no appreciable deposits of plutonium...Ch. 40 - Your tutor says atomic nuclei are converted to...Ch. 40 - Prob. 36ACh. 40 - Prob. 37ACh. 40 - Why does uranium not yield energy if fused with...Ch. 40 - Prob. 39ACh. 40 - Prob. 40ACh. 40 - How does the mass per nucleon in uranium compare...Ch. 40 - Prob. 42ACh. 40 - Prob. 43ACh. 40 - Prob. 44ACh. 40 - Prob. 45ACh. 40 - Prob. 46ACh. 40 - Prob. 47ACh. 40 - Prob. 48ACh. 40 - Prob. 49ACh. 40 - Prob. 50ACh. 40 - Prob. 51ACh. 40 - Prob. 52ACh. 40 - Burning one metric ton (1000 kg) of dry wood...Ch. 40 - The total U.S. consumption of electricity in 2001...Ch. 40 - Make a list comparing the kinds of pollution...Ch. 40 - Summarize and compare the benefits to society and...
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