Pentoctunium (Pou)

Pentoctunium is the systematic name of the theoretical 581वाँ element in the periodic table with a symbol of Pou and atomic number of 581. Pentoctunium, also known as element 581, has पाँच सौ इक्यासी protons in its nucleus, and पाँच सौ इक्यासी electrons in its shells.