Septsepttrium (Sst)

Septsepttrium is the systematic name of the theoretical 773वाँ element in the periodic table with a symbol of Sst and atomic number of 773. Septsepttrium, also known as element 773, has सात सौ तिहत्तर protons in its nucleus, and सात सौ तिहत्तर electrons in its shells.