Pentpentunium (Ppu)

Pentpentunium is the systematic name of the theoretical 551. element in the periodic table with a symbol of Ppu and atomic number of 551. Pentpentunium, also known as element 551, has חמש מאות חמישים ואחת protons in its nucleus, and חמש מאות חמישים ואחת electrons in its shells.