Septsepttrium (Sst)

Septsepttrium is the systematic name of the theoretical 773. element in the periodic table with a symbol of Sst and atomic number of 773. Septsepttrium, also known as element 773, has septyni šimtai septyniasdešimt trys protons in its nucleus, and septyni šimtai septyniasdešimt trys electrons in its shells.