Pentpentbium (Ppb)

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