Hexhexseptium (Hhs)

Hexhexseptium is the systematic name of the theoretical 667'inci element in the periodic table with a symbol of Hhs and atomic number of 667. Hexhexseptium, also known as element 667, has altı yüz atmış yeddi protons in its nucleus, and altı yüz atmış yeddi electrons in its shells.