Pentpentquadium (Ppq)

Pentpentquadium is the systematic name of the theoretical 554e element in the periodic table with a symbol of Ppq and atomic number of 554. Pentpentquadium, also known as element 554, has vijf­honderd­vier­en­vijftig protons in its nucleus, and vijf­honderd­vier­en­vijftig electrons in its shells.