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 penki šimtai aštuoniasdešimt devyni protons in its nucleus, and penki šimtai aštuoniasdešimt devyni electrons in its shells.