Pentnilunium (Pnu)

Pentnilunium is the systematic name of the theoretical ٥٠١. element in the periodic table with a symbol of Pnu and atomic number of 501. Pentnilunium, also known as element 501, has خمسة مائة وواحد protons in its nucleus, and خمسة مائة وواحد electrons in its shells.