Explain how a source that has only one radioactive isotope can emit both beta and gamma radiation.
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Explain how a source that has only one radioactive isotope can emit both beta and gamma radiation. |
Explanation
Radioactive isotopes have different masses but the same atomic number.
They have unstable nuclei and dissipate energy by spontaneously releasing radiation in the form of \alphaα, \betaβ and \gammaγ rays.
For example the radioactive element \text{Cs}-137Cs−137 is a \betaβ-\gammaγ source containing energy of 0.511 MeV of \betaβ particles and 0.662 MeV of \gammaγ in which only 6\%6% of the total \text{Cs}-137Cs−137, \betaβ decays directly to the ground state \text{Ba} -137Ba−137.
Verified Answer
Radioactive isotopes disperses extra energy by spontaneously emitting radiation in the form of \alphaα, \betaβ and \gammaγ rays.
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