Modern Physics
3rd Edition
ISBN: 9781111794378
Author: Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher: Cengage Learning
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Chapter 13, Problem 1Q
To determine
The reason why heavier nuclei is unstable
Expert Solution & Answer
Answer to Problem 1Q
The instability of heavier nuclei is due to the repulsion form the protons.
Explanation of Solution
A heavier nucleus is formed by the fusion reactions, in which there is electrostatic repulsion between protons, which is stronger than the nuclear force a longer distance.
The presence of too many protons and neutrons in heavier nuclei will upset the balance and binding energy of nuclear force, which make the nucleus unstable. Such an unstable nucleus achieves the balance by giving off the neutron and proton via radioactive decay.
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Chapter 13 Solutions
Modern Physics
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