<page_title> Bohrium </page_title> <section_title> Isotopes </section_title> <table> <cell> 270Bh <col_header> Isotope </col_header> </cell> <cell> 61 s <col_header> Half-life </col_header> </cell> <cell> 278Bh <col_header> Isotope </col_header> </cell> <cell> 11.5 min? <col_header> Half-life </col_header> </cell> </table>
²⁷⁰Bh has a half-life of 61 seconds and ²⁷⁸Bh has a half-life of 690 seconds.