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 שש מאות שישים וארבע protons in its nucleus, and שש מאות שישים וארבע electrons in its shells.