Pentpentennium (Ppe)

Pentpentennium is the systematic name of the theoretical 559e element in the periodic table with a symbol of Ppe and atomic number of 559. Pentpentennium, also known as element 559, has vijf­honderd­negen­en­vijftig protons in its nucleus, and vijf­honderd­negen­en­vijftig electrons in its shells.