You learned in Chapter 41 that the binding energy of the electron in a hydrogen atom is
Question:
You learned in Chapter 41 that the binding energy of the electron in a hydrogen atom is 13.6 eV.
a. By how much does the mass decrease when a hydrogen atom is formed from a proton and an electron? Give your answer both in atomic mass units and as a percentage of the mass of the hydrogen atom.
b. By how much does the mass decrease when a helium nucleus is formed from two protons and two neutrons? Give your answer both in atomic mass units and as a percentage of the mass of the helium nucleus.
c. Compare your answers to parts a and b. Why do you hear it said that mass is “lost” in nuclear reactions but not in chemical reactions?
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Solve a The binding energy of the electron in a hydrogen atom is B 136 eV That is the mass decreases ...View the full answer
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Physics For Scientists And Engineers A Strategic Approach With Modern Physics
ISBN: 9780321740908
3rd Edition
Authors: Randall D. Knight
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