Elements 113, 115, 117, and 118 Named

  • Author: ChemistryViews.org
  • Published: 08 June 2016
  • Copyright: Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
  • Source / Publisher: IUPAC
  • Associated Societies: International Union of Pure and Applied Chemistry (IUPAC)
thumbnail image: Elements 113, 115, 117, and 118 Named

The discovery of elements 113, 115, 117, and 118 has been confirmed by the International Union of Pure and Applied Chemistry (IUPAC) on December 30, 2015. The discoverers have been invited to propose names, and the suggestions have now been disclosed for public review.


The proposed names are:

  • Nihonium (symbol Nh) for the element 113
    This name has been proposed by the discoverers at RIKEN, Japan, and is derived from "Nihon", Japan's name in its native language.
  • Moscovium (symbol Mc) for the element 115
    The name points to the Moscow region in Russia, where the discoverers at the Joint Institute for Nuclear Research (JINR) are located.
  • Tennessine (symbol Ts) for the element 117
    The name honors the Tennessee region in the USA, where the Oak Ridge National Laboratory, Vanderbilt University, and the University of Tennessee at Knoxville are involved in superheavy element research.
  • Oganesson (symbol Og) for the element 118
    The name recognizes Professor Yuri Oganessian, Russia, for his pioneering contributions to transactinoid elements research.


The IUPAC Inorganic Chemistry Division has reviewed and considered these proposals and recommended them for acceptance. A five-month public review is now set, expiring November 8, 2016, to make sure the names work, for example, in every language. Then the IUPAC Council will ratify the final names.



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