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 penki šimtai septyniasdešimt devyni protons in its nucleus, and penki šimtai septyniasdešimt devyni electrons in its shells.