Pentquadunium (Pqu)

Pentquadunium is the systematic name of the theoretical 541ú element in the periodic table with a symbol of Pqu and atomic number of 541. Pentquadunium, also known as element 541, has cúig chéad daichead a haon protons in its nucleus, and cúig chéad daichead a haon electrons in its shells.