Pentpentunium (Ppu)

Pentpentunium is the systematic name of the theoretical ۵۵۱. element in the periodic table with a symbol of Ppu and atomic number of 551. Pentpentunium, also known as element 551, has پانصد و پنجاه و یک protons in its nucleus, and پانصد و پنجاه و یک electrons in its shells.