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 fënnef­honnert­eenansiwwenzeg protons in its nucleus, and fënnef­honnert­eenansiwwenzeg electrons in its shells.