Periodic Table’s 7th Period is Finally Complete, IUPAC-IUPAP Officials Say
Periodic-Tables-7th-Period-is-Finally-Complete-IUPAC-Officials-Say
The 7th period of the periodic table now has four new elements: element 113 (temporarily named as Ununtrium, or Uut), element 115 (Ununpentium, or Uup), element 117 (Ununseptium, or Uus), and element 118 (Ununoctium, or Uuo), says a group of experts from the International Union of Pure and Applied Chemistry (IUPAC) and the International Union of Pure and Applied Physics (IUPAP).
