Penthexquadium (Phq)

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