Meet the four newest chemical elements: nihonium (Nh), Moscovium (Mc), tennessine (Ts) and oganesson (Og)

Home / Chemistry / Meet the four newest chemical elements: nihonium (Nh), Moscovium (Mc), tennessine (Ts) and oganesson (Og)

On November 28, 2016 the International Union of Pure and Applied Chemistry (IUPAC) gave their seal of approval to the proposed names for the four elements, which take slots 113, 115, 117 and 118 on the seventh row of the Periodic table.


Traditionally in Chemistry, the naming rights go to the discoverers: Scientists at RIKEN in Wako, Japan, named element 113, and Russian-U.S. collaboration named others.

The names proposed in June 2016 underwent five months of public comment and review and approved afterwards by IUPAC making them official.

Element 113 is “nihonium” (Nh). Its name comes from the Japanese word “Nihon,” meaning “Land of the Rising Sun,” a name for Japan.

Element 115 is “moscovium,” (Mc). Its name is dubbed after the Moscow region, home to the Joint Institute for Nuclear Research in Dubna, where the element was discovered in collaboration with researchers at Lawrence Livermore National Laboratory in California and Oak Ridge National Laboratory in Tennessee.

Element 117 is “tennessine,” (Ts). Its name comes from the home state of Oak Ridge, Vanderbilt University and the University of Tennessee.

Element 118 is “oganesson,” (Og). It was named after Russian physicist Yuri Oganessian, who contributed to the discovery of several superheavy elements.

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 Onwukeme Ijeoma  is a passionate Science Educator, Researcher, Academic Counselor and Consultant.

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