Hexoctunium (Hou)
Hexoctunium is the systematic name of the theoretical 681. element in the periodic table with a symbol of Hou and atomic number of 681. Hexoctunium, also known as element 681, has šeši šimtai aštuoniasdešimt vienas protons in its nucleus, and šeši šimtai aštuoniasdešimt vienas electrons in its shells.