<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> 274Bh <col_header> Isotope </col_header> </cell> <cell> 40 s <col_header> Half-life </col_header> </cell> </table>
The Bohrium isotopes ²⁷⁰Bh and ²⁷⁴Bh have an half-lives of about 61 s and 40 s.