Pentpentnilium (Ppn)

Pentpentnilium is the systematic name of the theoretical ۵۵۰. element in the periodic table with a symbol of Ppn and atomic number of 550. Pentpentnilium, also known as element 550, has پانصد و پنجاه protons in its nucleus, and پانصد و پنجاه electrons in its shells.