Pentpentennium (Ppe)

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