Pentennoctium (Peo)

Pentennoctium is the systematic name of the theoretical 598-ші element in the periodic table with a symbol of Peo and atomic number of 598. Pentennoctium, also known as element 598, has бес жүз тоқсан сегіз protons in its nucleus, and бес жүз тоқсан сегіз electrons in its shells.