Octpentoctium (Opo)

Octpentoctium is the systematic name of the theoretical 858. element in the periodic table with a symbol of Opo and atomic number of 858. Octpentoctium, also known as element 858, has οκτακόσια πενήντα οκτώ protons in its nucleus, and οκτακόσια πενήντα οκτώ electrons in its shells.