Pentoctoctium (Poo)
Pentoctoctium is the systematic name of the theoretical ٥٨٨. element in the periodic table with a symbol of Poo and atomic number of 588. Pentoctoctium, also known as element 588, has خمسة مائة وثمانية وثمانون protons in its nucleus, and خمسة مائة وثمانية وثمانون electrons in its shells.