Answer
$^{13}_{7}N\ -->\ ^{13}_{6}C + ^{0}_{+1}e$
Work Step by Step
A Nitrogen-13 nuclide emits a positron causing one of its protons to turn into a neutron making it a Carbon-13 nuclide.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.