Hexseptseptium (Hss)

Hexseptseptium is the systematic name of the theoretical 677'inci element in the periodic table with a symbol of Hss and atomic number of 677. Hexseptseptium, also known as element 677, has altı yüz yetmiş yeddi protons in its nucleus, and altı yüz yetmiş yeddi electrons in its shells.