New names elements 113, 115, 117 118

New names for elements 113, 115, 117 and 118

8:06 AM, 10th June 2016
New names for elements 113, 115, 117 and 118
Elements with atomic number 113, 115, 117 and 118 are named as nihonium, moscovium, tennessine and oganesson respectively.

ZURICH, SWITZERLAND: The International Union of Pure and Applied Chemistry (IUPAC) has proposed names for the elements with atomic number 113, 115, 117 and 118 as nihonium, moscovium, tennessine and oganesson respectively.

Keeping with tradition, newly discovered elements can be named after:

  • a mythological concept or character (including an astronomical object),
  • a mineral or similar substance,
  • a place, or geographical region,
  • a property of the element, or
  • a scientist.

The names of all new elements, in general, would have an ending that reflects and maintains historical and chemical consistency. This would be in general “-ium” for elements belonging to groups 1-16, “-ine” for elements of group 17 and “-on” for elements of group 18 in the periodic table. Finally, the names for new chemical elements in English should allow proper translation into other major languages.

Nihonium (atomic number 113)

With the symbol Nh, the name is proposed to make a direct connection to the nation where the element was discovered at RIKEN Nishina Center in Japan. Nihon is one of the two ways to say Japan in Japanese, and literally mean “the Land of Rising Sun”.

Element 113 is the first element to have been discovered in an Asian country. While presenting this proposal, the team headed by professor Kosuke Morita pays homage to the trailblazing work by Masataka Ogawa done in 1908 surrounding the discovery of element 43. The team also hopes that pride and faith in science will displace the lost trust of those who suffered from the 2011 Fukushima nuclear disaster.

Moscovium (atomic number 115) and Tennessine (atomic number 117)

With the symbol Mc & Ts respectively, the names are in line with the geographical region and are proposed jointly by the discoverers at the Joint Institute for Nuclear Research, Dubna (Russia), Oak Ridge National Laboratory (US), Vanderbilt University (US) and Lawrence Livermore National Laboratory (US).

Moscovium is in recognition of the Moscow region and honours the ancient Russian land that is the home of the Joint Institute for Nuclear Research, where the discovery experiments were conducted using the Dubna Gas-Filled Recoil Separator in combination with the heavy ion accelerator capabilities of the Flerov Laboratory of Nuclear Reactions.

Tennessine is in recognition of the contribution of the Tennessee region, including Oak Ridge National Laboratory, Vanderbilt University, and the University of Tennessee at Knoxville, to superheavy element research, including the production and chemical separation of unique actinide target materials for superheavy element synthesis at ORNL’s High Flux Isotope Reactor (HFIR) and Radiochemical Engineering Development Center (REDC).

Oganesson (atomic number 118)

With the symbol Og, the name is proposed by the collaborating teams of discoverers at the Joint Institute for Nuclear Research, Dubna (Russia) and Lawrence Livermore National Laboratory (US). The proposal is in line with the tradition of honouring a scientist and recognized professor Yuri Oganessian (born 1933) for his pioneering contributions to transactinoid elements research. His many achievements include the discovery of superheavy elements and significant advances in the nuclear physics of superheavy nuclei including experimental evidence for the “island of stability”.

“It is a pleasure to see that specific places and names (country, state, city, and scientist) related to the new elements is recognized in these four names. Although these choices may perhaps be viewed by some as slightly self-indulgent, the names are completely in accordance with IUPAC rules,” said Jan Reedijk, who corresponded with the various laboratories and invited the discoverers to make proposals. “

The IUPAC Inorganic Chemistry Division has reviewed and considered these proposals and recommends these for acceptance. A five-month public review is now set, expiring 8 November.

© IUPAC News


Read more:

Japanese researchers create new element: 113

New research claims the existence of element 115

Scientists confirm the existence of element 117

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