Pentoctennium (Poe)

Pentoctennium is the systematic name of the theoretical 589-шы element in the periodic table with a symbol of Poe and atomic number of 589. Pentoctennium, also known as element 589, has бес жүз сексен тоғыз protons in its nucleus, and бес жүз сексен тоғыз electrons in its shells.