Pentoctennium (Poe)

Pentoctennium is the systematic name of the theoretical 589. element in the periodic table with a symbol of Poe and atomic number of 589. Pentoctennium, also known as element 589, has חמש מאות שמונים ותשע protons in its nucleus, and חמש מאות שמונים ותשע electrons in its shells.