Septseptunium (Ssu)

Septseptunium is the systematic name of the theoretical 771a element in the periodic table with a symbol of Ssu and atomic number of 771. Septseptunium, also known as element 771, has şapte sute şaptezeci şi unu protons in its nucleus, and şapte sute şaptezeci şi unu electrons in its shells.