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Oganessian + -on. Promulgated in June 2016 by the IUPAC based on recommendations of the Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory to honor the Russian physicist Yuri Oganessian (born 1933) who researched superheavy elements.
- The chemical element with atomic number 118.
2016 June 9, “Meet the periodic table's 4 new elements: Nihonium, moscouvium, tennessine and oganesson”, in The Straits Times:
- SINGAPORE - The four new elements announced in December last year have received their new names: Nihonium (Nh), moscouvium (Mc), tennessine (Ts) and oganesson (Og).