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 ħames mija u wieħed u sebgħin protons in its nucleus, and ħames mija u wieħed u sebgħin electrons in its shells.