<page_title> Isotopes of oganesson </page_title> <section_title> List of isotopes </section_title> <table> <cell> 294Og <col_header> nuclide symbol </col_header> </cell> <cell> 0.7 ms <col_header> half-life </col_header> </cell> </table>
The first isotope to be synthesized was ²⁹⁴Og and has a half-life of 0.7 milliseconds.