Ununtrium, ununpentium, ununseptium and ununoctium are the tentative names for the four newest members of the periodic table of elements. The International Union of Pure and Applied Chemistry (IUPAC), ...
Nihonium (113), Moscovium (115), Tennessine (117), and Oganesson (118) have now been officially added to the periodic table of elements. Ununtrium, ununpentium, ununseptium, and ununoctium — these ...