Penthexoctium (Pho)
Penthexoctium is the systematic name of the theoretical 568-ші element in the periodic table with a symbol of Pho and atomic number of 568. Penthexoctium, also known as element 568, has бес жүз алпыс сегіз protons in its nucleus, and бес жүз алпыс сегіз electrons in its shells.