Pentseptunium (Psu)

Pentseptunium is the systematic name of the theoretical 571. element in the periodic table with a symbol of Psu and atomic number of 571. Pentseptunium, also known as element 571, has penki šimtai septyniasdešimt vienas protons in its nucleus, and penki šimtai septyniasdešimt vienas electrons in its shells.