Hexpentoctium (Hpo)

Hexpentoctium is the systematic name of the theoretical 658ste element in the periodic table with a symbol of Hpo and atomic number of 658. Hexpentoctium, also known as element 658, has seshonderd agt-en-vyftig protons in its nucleus, and seshonderd agt-en-vyftig electrons in its shells.