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 seks­hundrað­og­seksti­fýre protons in its nucleus, and seks­hundrað­og­seksti­fýre electrons in its shells.