Pentpentoctium (Ppo)

Pentpentoctium is the systematic name of the theoretical 558ste element in the periodic table with a symbol of Ppo and atomic number of 558. Pentpentoctium, also known as element 558, has vyfhonderd agt-en-vyftig protons in its nucleus, and vyfhonderd agt-en-vyftig electrons in its shells.