Septsepttrium (Sst)

Septsepttrium is the systematic name of the theoretical ke-773 element in the periodic table with a symbol of Sst and atomic number of 773. Septsepttrium, also known as element 773, has tujuh ratus tujuh puluh tiga protons in its nucleus, and tujuh ratus tujuh puluh tiga electrons in its shells.