Pentbioctium (Pbo)
Pentbioctium is the systematic name of the theoretical 528'инчи element in the periodic table with a symbol of Pbo and atomic number of 528. Pentbioctium, also known as element 528, has беш жүз жыйырма сегиз protons in its nucleus, and беш жүз жыйырма сегиз electrons in its shells.