Septsepttrium (Sst)

Septsepttrium is the systematic name of the theoretical ٧٧٣. element in the periodic table with a symbol of Sst and atomic number of 773. Septsepttrium, also known as element 773, has سبعة مائة وثلاثة وسبعون protons in its nucleus, and سبعة مائة وثلاثة وسبعون electrons in its shells.