<page_title> Isotopes of ruthenium </page_title> <section_title> List of isotopes </section_title> <table> <cell> 95Ru <col_header> nuclide symbol </col_header> <col_header> excitation energy </col_header> </cell> <cell> 1.643(14) h <col_header> half-life </col_header> </cell> <cell> 105Ru <col_header> nuclide symbol </col_header> <col_header> excitation energy </col_header> </cell> <cell> 4.44(2) h <col_header> half-life </col_header> </cell> </table>
⁹⁵Ru half-life was 1.643 hours and ¹⁰⁵Ru half-life was 4.44 hours.