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 επτακόσια εβδομήντα ένα protons in its nucleus, and επτακόσια εβδομήντα ένα electrons in its shells.