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 пʼятсот вісімдесят девʼять protons in its nucleus, and пʼятсот вісімдесят девʼять electrons in its shells.