<page_title> Isotopes of lawrencium </page_title> <section_title> List of isotopes </section_title> <table> <cell> 252Lr <col_header> nuclide symbol </col_header> <col_header> excitation energy </col_header> </cell> <cell> 252.09526(26)# <col_header> isotopic mass (u) </col_header> </cell> </table>
²⁵²Lr is the lightest isotope of lawrencium.