Chapter 31: Q22PE (page 1149)
Electron capture decay equation of 106In
Short Answer
The β- Decay equation of106In is \(_{49}^{106}I{n_{57}} + {e^ - } \to _{48}^{106}C{d_{58}} + {\nu _e}\).
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Chapter 31: Q22PE (page 1149)
Electron capture decay equation of 106In
The β- Decay equation of106In is \(_{49}^{106}I{n_{57}} + {e^ - } \to _{48}^{106}C{d_{58}} + {\nu _e}\).
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\({{\rm{\beta }}^{\rm{ - }}}\)decay of \(^{40}K\) , a naturally occurring rare isotope of potassium responsible for some of our exposure to background radiation.
Confirm that charge, electron family number, and the total number of nucleons are all conserved by the rule for α decay given in the equation\(_Z^A{X_N} \to _{Z - 2}^{A - 4}{Y_{N - 2}} + _2^4H{e_2}\). To do this, identify the values of each before and after the decay.
Cow’s milk produced near nuclear reactors can be tested for as little as \(1.00\,{\rm{pCi}}\) of \({}^{{\rm{131}}}{\rm{I}}\) per litre, to check for possible reactor leakage. What mass of\({}^{{\rm{131}}}{\rm{I}}\) has this activity?
What fraction of the 40 K that was on Earth when it formed \(4.5 \times {10^9}\,{\rm{year}}\) ago is left today?
Unreasonable Results
A physicist scatters\(\gamma \)rays from a substance and sees evidence of a nucleus\(7.5 \times {10^{ - 13}}\;{\rm{m}}\)in radius. (a) Find the atomic mass of such a nucleus.
(b) What is unreasonable about this result?
(c) What is unreasonable about the assumption?
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