Pentoctennium (Poe)
Pentoctennium is the systematic name of the theoretical ที่ 589 element in the periodic table with a symbol of Poe and atomic number of 589. Pentoctennium, also known as element 589, has ห้าร้อยแปดสิบเก้า protons in its nucleus, and ห้าร้อยแปดสิบเก้า electrons in its shells.