Pentseptunium (Psu)

Pentseptunium is the systematic name of the theoretical 571ste element in the periodic table with a symbol of Psu and atomic number of 571. Pentseptunium, also known as element 571, has vyfhonderd een-en-sewentig protons in its nucleus, and vyfhonderd een-en-sewentig electrons in its shells.