Hexhexquadium (Hhq)

Hexhexquadium is the systematic name of the theoretical 664. element in the periodic table with a symbol of Hhq and atomic number of 664. Hexhexquadium, also known as element 664, has sechs­hundert­vier­und­sechzig protons in its nucleus, and sechs­hundert­vier­und­sechzig electrons in its shells.