Pentoctoctium (Poo)

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