Pentseptennium (Pse)

Pentseptennium is the systematic name of the theoretical 579. element in the periodic table with a symbol of Pse and atomic number of 579. Pentseptennium, also known as element 579, has пʼятсот сімдесят девʼять protons in its nucleus, and пʼятсот сімдесят девʼять electrons in its shells.