Hexseptoctium (Hso)

Hexseptoctium is the systematic name of the theoretical 678वाँ element in the periodic table with a symbol of Hso and atomic number of 678. Hexseptoctium, also known as element 678, has छह सौ अठहत्तर protons in its nucleus, and छह सौ अठहत्तर electrons in its shells.