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 εξακόσια ογδόντα ένα protons in its nucleus, and εξακόσια ογδόντα ένα electrons in its shells.