Hexquadseptium (Hqs)
Hexquadseptium is the systematic name of the theoretical 647. element in the periodic table with a symbol of Hqs and atomic number of 647. Hexquadseptium, also known as element 647, has εξακόσια σαράντα επτά protons in its nucleus, and εξακόσια σαράντα επτά electrons in its shells.