Septseptunium (Ssu)

Septseptunium is the systematic name of the theoretical ۷۷۱. element in the periodic table with a symbol of Ssu and atomic number of 771. Septseptunium, also known as element 771, has هفتصد و هفتاد و یک protons in its nucleus, and هفتصد و هفتاد و یک electrons in its shells.