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 fënnef­honnert­nénganachtzeg protons in its nucleus, and fënnef­honnert­nénganachtzeg electrons in its shells.