Septseptunium (Ssu)
Septseptunium is the systematic name of the theoretical 771. element in the periodic table with a symbol of Ssu and atomic number of 771. Septseptunium, also known as element 771, has shtatëqind e shtatëdhjetë e një protons in its nucleus, and shtatëqind e shtatëdhjetë e një electrons in its shells.