Septseptunium (Ssu)

Septseptunium is the systematic name of the theoretical ke-771 element in the periodic table with a symbol of Ssu and atomic number of 771. Septseptunium, also known as element 771, has tujuh ratus tujuh puluh satu protons in its nucleus, and tujuh ratus tujuh puluh satu electrons in its shells.