Pentseptennium (Pse)

Pentseptennium is the systematic name of the theoretical 579-шы element in the periodic table with a symbol of Pse and atomic number of 579. Pentseptennium, also known as element 579, has бес жүз жетпіс тоғыз protons in its nucleus, and бес жүз жетпіс тоғыз electrons in its shells.