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 յոթ­հարյուր տասն­յոթ protons in its nucleus, and յոթ­հարյուր տասն­յոթ electrons in its shells.