Pentunoctium (Puo)

Pentunoctium is the systematic name of the theoretical 518. element in the periodic table with a symbol of Puo and atomic number of 518. Pentunoctium, also known as element 518, has חמש מאות ושמונה עשרה protons in its nucleus, and חמש מאות ושמונה עשרה electrons in its shells.