Hexhexquadium (Hhq)

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