Hexseptoctium (Hso)

Hexseptoctium is the systematic name of the theoretical 678-ші element in the periodic table with a symbol of Hso and atomic number of 678. Hexseptoctium, also known as element 678, has алты жүз жетпіс сегіз protons in its nucleus, and алты жүз жетпіс сегіз electrons in its shells.