Hexquadquadium (Hqq)

Hexquadquadium is the systematic name of the theoretical ke-644 element in the periodic table with a symbol of Hqq and atomic number of 644. Hexquadquadium, also known as element 644, has enam ratus empat puluh empat protons in its nucleus, and enam ratus empat puluh empat electrons in its shells.