Hexquadquadium (Hqq)

Hexquadquadium is the systematic name of the theoretical 644º element in the periodic table with a symbol of Hqq and atomic number of 644. Hexquadquadium, also known as element 644, has sei­cento­quaranta­quattro protons in its nucleus, and sei­cento­quaranta­quattro electrons in its shells.