"Ununseptium" or the superheavy element Z = 117 could finally be ready to be added to the periodic table. An international collaboration has produced four atoms of the elusive element, which was first spotted in 2010. The measured decay properties of these atoms match the previous data, which strengthens the case for official recognition of 117 as a new element along with its decay-chain elements 115 and 113. In the process, the researchers also discovered a new isotope "lawrencium-266".
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