Septseptunium (Ssu)

Septseptunium is the systematic name of the theoretical 771वाँ element in the periodic table with a symbol of Ssu and atomic number of 771. Septseptunium, also known as element 771, has सात सौ इकहत्तर protons in its nucleus, and सात सौ इकहत्तर electrons in its shells.