Pentbioctium (Pbo)
Pentbioctium is the systematic name of the theoretical 528. element in the periodic table with a symbol of Pbo and atomic number of 528. Pentbioctium, also known as element 528, has πεντακόσια είκοσι οκτώ protons in its nucleus, and πεντακόσια είκοσι οκτώ electrons in its shells.