Pentoctunium (Pou)

Pentoctunium is the systematic name of the theoretical ที่ 581 element in the periodic table with a symbol of Pou and atomic number of 581. Pentoctunium, also known as element 581, has ห้า​ร้อย​แปด​สิบ​เอ็ด protons in its nucleus, and ห้า​ร้อย​แปด​สิบ​เอ็ด electrons in its shells.