<page_title> Isotopes of copper </page_title> <section_title> List of isotopes </section_title> <table> <cell> 67Cu <col_header> nuclide symbol </col_header> <col_header> excitation energy </col_header> </cell> <cell> 61.83(12) h <col_header> half-life </col_header> </cell> </table>
⁶⁷Cu has a half-life of 61.83 hours.