Pentbioctium (Pbo)
Pentbioctium is the systematic name of the theoretical 528-ші element in the periodic table with a symbol of Pbo and atomic number of 528. Pentbioctium, also known as element 528, has бес жүз жиырма сегіз protons in its nucleus, and бес жүз жиырма сегіз electrons in its shells.