Penthexquadium (Phq)

Penthexquadium is the systematic name of the theoretical 564º element in the periodic table with a symbol of Phq and atomic number of 564. Penthexquadium, also known as element 564, has cinque­cento­sessanta­quattro protons in its nucleus, and cinque­cento­sessanta­quattro electrons in its shells.