If a positron is to be emitted spontaneously, how much more mass (as a minimum) must an atom of the parent have than an atom of the daughter nuclide? Explain.

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter14: Nuclear Chemistry
Section: Chapter Questions
Problem 14.32PAE
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3.1
If a positron is to be emitted spontaneously, how much more mass (as a minimum) must an atom of the parent have than an atom of the
daughter nuclide? Explain.
The parent mass may be
v the daughter mass since the positron has a mass of
zero
1.0072764 u
1.0086649 u
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half that of the daughter's mass
a third that of the daughter's mass
Transcribed Image Text:If a positron is to be emitted spontaneously, how much more mass (as a minimum) must an atom of the parent have than an atom of the daughter nuclide? Explain. The parent mass may be v the daughter mass since the positron has a mass of zero 1.0072764 u 1.0086649 u Attempts: 0 of 1 used Submit Answer half that of the daughter's mass a third that of the daughter's mass
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