Pentoctnilium (Pon)
Pentoctnilium is the systematic name of the theoretical 580. element in the periodic table with a symbol of Pon and atomic number of 580. Pentoctnilium, also known as element 580, has penki šimtai aštuoniasdešimt protons in its nucleus, and penki šimtai aštuoniasdešimt electrons in its shells.