Pentunpentium (Pup)
Pentunpentium is the systematic name of the theoretical 515. element in the periodic table with a symbol of Pup and atomic number of 515. Pentunpentium, also known as element 515, has חמש מאות וחמש עשרה protons in its nucleus, and חמש מאות וחמש עשרה electrons in its shells.