Hexpentoctium (Hpo)

Hexpentoctium is the systematic name of the theoretical 658. element in the periodic table with a symbol of Hpo and atomic number of 658. Hexpentoctium, also known as element 658, has seks­hundrede og otte­og­halvtreds protons in its nucleus, and seks­hundrede og otte­og­halvtreds electrons in its shells.