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 penki šimtai aštuoniasdešimt vienas protons in its nucleus, and penki šimtai aštuoniasdešimt vienas electrons in its shells.