You can use these mass defects to see whether certain decays are energetically favorable (energetically favorable, however, does not necessarily imply that it will happen any time soon!) For example, as an exercise, consider the negatron decay of Re to 187. 187 Os. Show that this decay is energetically favorable (the mass of the electron is negligible) By showing that this decay is favorable, you are also showing that the reverse is not favorable, that is, 187 Os will not positron decay to Re. 187
You can use these mass defects to see whether certain decays are energetically favorable (energetically favorable, however, does not necessarily imply that it will happen any time soon!) For example, as an exercise, consider the negatron decay of Re to 187. 187 Os. Show that this decay is energetically favorable (the mass of the electron is negligible) By showing that this decay is favorable, you are also showing that the reverse is not favorable, that is, 187 Os will not positron decay to Re. 187
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter18: The Nucleus: A Chemist's View
Section: Chapter Questions
Problem 1Q
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