Pentennennium (Pee)

Pentennennium is the systematic name of the theoretical 599. element in the periodic table with a symbol of Pee and atomic number of 599. Pentennennium, also known as element 599, has ხუთას­ოთხმოცდა­ცხრამეტი protons in its nucleus, and ხუთას­ოთხმოცდა­ცხრამეტი electrons in its shells.