Pentnilquadium (Pnq)

Pentnilquadium is the systematic name of the theoretical thứ 504 element in the periodic table with a symbol of Pnq and atomic number of 504. Pentnilquadium, also known as element 504, has năm trăm lẻ bốn protons in its nucleus, and năm trăm lẻ bốn electrons in its shells.