Hexseptoctium (Hso)

Hexseptoctium is the systematic name of the theoretical 678. element in the periodic table with a symbol of Hso and atomic number of 678. Hexseptoctium, also known as element 678, has šeši šimtai septyniasdešimt aštuoni protons in its nucleus, and šeši šimtai septyniasdešimt aštuoni electrons in its shells.