Pentunennium (Pue)

Pentunennium is the systematic name of the theoretical 519. element in the periodic table with a symbol of Pue and atomic number of 519. Pentunennium, also known as element 519, has חמש מאות ותשע עשרה protons in its nucleus, and חמש מאות ותשע עשרה electrons in its shells.