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 päť­sto šesťdesiat­štyri protons in its nucleus, and päť­sto šesťdesiat­štyri electrons in its shells.