The four elements, discovered between 2002 and 2010, aren’t new per se, but the names are. IUPAC officially recognized the discovery of the super-heavy, highly reactive elements in December of 2015, and announced the suggested names back in June of this year. After a five-month chill-out period for the world to digest the new monikers, the bureau made the names official this week.
Nihonium and symbol Nh, for the element 113
Moscovium and symbol Mc, for the element 115
and symbol Ts, for the element 117
Oganesson and symbol Og, for the element 118…’