The discovery of four super-heavy chemical elements by scientists from Russia, America and Japan has been verified by experts and they were formally added to the periodic table, informs The Guardian.
Four new elements were placed in the Mendeleev’s table, thus completing its seventh row (period).
The elements are the first to be added to the table since 2011 when elements 114 and 116 were inserted.
The four newcomers were checked on December 30 by the International Union of Pure and Applied Chemistry (IUPAC), the global institution that governs measurements, nomenclature and terminology of chemistry.
IUPAC has announced that a Russian-American team of scientists from the Joint Institute for Nuclear Research in Dubna and Lawrence Livermore National Laboratory in California, delivered sufficient evidence to claim the discovery of elements 115, 117 and 118.
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Kosuke Morita, who leads the research at RIKEN, said that his team “is now looking to uncharted territory of element 119 and beyond it”.
Ryoji Noyori, a Nobel laureate and former president of Riken said that “for scientists, the discovery has a higher value than an Olympic gold medal.”
IUPAC has initiated the process of formalizing the names and symbols for these new chemical elements, provisionally termed ununtrium (UUT or element 113), ununpentium (UUP, element 115), ununseptium (Uus, element 117), and ununoctium (Uuo, element 118).
The chemical elements will be officially named in the coming months by the teams of researchers who discovered them. Element 113 will be the first chemical to be named in Asia.