<page_title> Isotopes of californium </page_title> <section_title> List of isotopes </section_title> <table> <cell> 252Cf <col_header> nuclide symbol </col_header> <col_header> excitation energy </col_header> </cell> <cell> SF (3.09%) <col_header> nuclide symbol </col_header> <col_header> excitation energy </col_header> </cell> </table>
Californium-252 (Cf-252) undergoes spontaneous fission.