Pentseptunium (Psu)

Pentseptunium is the systematic name of the theoretical 571-ші element in the periodic table with a symbol of Psu and atomic number of 571. Pentseptunium, also known as element 571, has бес жүз жетпіс бір protons in its nucleus, and бес жүз жетпіс бір electrons in its shells.