Pentpentseptium (Pps)

Pentpentseptium is the systematic name of the theoretical ۵۵۷. element in the periodic table with a symbol of Pps and atomic number of 557. Pentpentseptium, also known as element 557, has پانصد و پنجاه و هفت protons in its nucleus, and پانصد و پنجاه و هفت electrons in its shells.