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 пʼятсот пʼятдесят два protons in its nucleus, and пʼятсот пʼятдесят два electrons in its shells.