Pentoctunium (Pou)

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