Pentoctoctium (Poo)
Pentoctoctium is the systematic name of the theoretical ที่ 588 element in the periodic table with a symbol of Poo and atomic number of 588. Pentoctoctium, also known as element 588, has ห้าร้อยแปดสิบแปด protons in its nucleus, and ห้าร้อยแปดสิบแปด electrons in its shells.