Hexhexoctium (Hho)

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