Pentpentunium (Ppu)

Pentpentunium is the systematic name of the theoretical 551वाँ element in the periodic table with a symbol of Ppu and atomic number of 551. Pentpentunium, also known as element 551, has पाँच सौ इक्यावन protons in its nucleus, and पाँच सौ इक्यावन electrons in its shells.