Pentennunium (Peu)

Pentennunium is the systematic name of the theoretical ٥٩١. element in the periodic table with a symbol of Peu and atomic number of 591. Pentennunium, also known as element 591, has خمسة مائة وواحد وتسعون protons in its nucleus, and خمسة مائة وواحد وتسعون electrons in its shells.