Pentnilquadium (Pnq)

Pentnilquadium is the systematic name of the theoretical 504ú element in the periodic table with a symbol of Pnq and atomic number of 504. Pentnilquadium, also known as element 504, has cúig chéad a ceathair protons in its nucleus, and cúig chéad a ceathair electrons in its shells.