kaylacrider8303 kaylacrider8303
  • 24-04-2018
  • Chemistry
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Based on nuclear stability, what is the symbol for the most likely product nuclide when iodine-123 undergoes decay?

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Dejanras
Dejanras Dejanras
  • 13-05-2018
Answer is: Te (tellurium).
During electron capture, iodine-123 form the nearly-stable nuclide tellurium-123.
In beta plus decay (atomic number Z is decreased by one), a proton is converted to a neutron and positron and an electron neutrino, so mass number does not change.
Iodine-123 is a radioactive isotope of iodine used in nuclear medicine imaging.

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