Pentquadunium (Pqu)
Pentquadunium is the systematic name of the theoretical ۵۴۱. element in the periodic table with a symbol of Pqu and atomic number of 541. Pentquadunium, also known as element 541, has پانصد و چهل و یک protons in its nucleus, and پانصد و چهل و یک electrons in its shells.