Septseptseptium (Sss)

Septseptseptium is the systematic name of the theoretical 777वाँ element in the periodic table with a symbol of Sss and atomic number of 777. Septseptseptium, also known as element 777, has सात सौ सतहत्तर protons in its nucleus, and सात सौ सतहत्तर electrons in its shells.