Penthexquadium (Phq)

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