Septoctunium (Sou)

Septoctunium is the systematic name of the theoretical 781. element in the periodic table with a symbol of Sou and atomic number of 781. Septoctunium, also known as element 781, has שבע מאות שמונים ואחת protons in its nucleus, and שבע מאות שמונים ואחת electrons in its shells.