Pentpentbium (Ppb)

Pentpentbium is the systematic name of the theoretical 552. element in the periodic table with a symbol of Ppb and atomic number of 552. Pentpentbium, also known as element 552, has ხუთას­ორმოცდა­თორმეტი protons in its nucleus, and ხუთას­ორმოცდა­თორმეტი electrons in its shells.