Hexhexquadium (Hhq)

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