<page_title> Isotopes of caesium </page_title> <section_title> List of isotopes </section_title> <table> <cell> 133Cs <col_header> nuclide symbol </col_header> <col_header> excitation energy </col_header> </cell> <cell> Stable <col_header> half-life </col_header> <col_header> decay mode(s) </col_header> <col_header> daughter isotope(s) </col_header> </cell> </table>
Isotope ¹³³Cs is stable.