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 šesť­sto šesťdesiat­štyri protons in its nucleus, and šesť­sto šesťdesiat­štyri electrons in its shells.