Hexhexoctium (Hho)

Hexhexoctium is the systematic name of the theoretical 668e element in the periodic table with a symbol of Hho and atomic number of 668. Hexhexoctium, also known as element 668, has zes­honderd­acht­en­zestig protons in its nucleus, and zes­honderd­acht­en­zestig electrons in its shells.