Pentseptoctium (Pso)

Pentseptoctium is the systematic name of the theoretical 578-ші element in the periodic table with a symbol of Pso and atomic number of 578. Pentseptoctium, also known as element 578, has бес жүз жетпіс сегіз protons in its nucleus, and бес жүз жетпіс сегіз electrons in its shells.