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 ஐநூறு எண்பது ஒன்று protons in its nucleus, and ஐநூறு எண்பது ஒன்று electrons in its shells.