Septunseptium (Sus)

Septunseptium is the systematic name of the theoretical 717. element in the periodic table with a symbol of Sus and atomic number of 717. Septunseptium, also known as element 717, has შვიდას­ჩვიდმეტი protons in its nucleus, and შვიდას­ჩვიდმეტი electrons in its shells.