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 penki šimtai penkiasdešimt devyni protons in its nucleus, and penki šimtai penkiasdešimt devyni electrons in its shells.