<page_title> Europium </page_title> <section_title> Europium as a nuclear fission product </section_title> <table> <cell> 151Eu <row_header> Isotope </row_header> </cell> <cell> 153Eu <row_header> Isotope </row_header> </cell> </table>
Europium is composed of 2 isotopes, ¹⁵¹Eu and ¹⁵³Eu.