Hexennseptium (Hes)
Hexennseptium is the systematic name of the theoretical 697-и element in the periodic table with a symbol of Hes and atomic number of 697. Hexennseptium, also known as element 697, has шестстотин деветдесет и седем protons in its nucleus, and шестстотин деветдесет и седем electrons in its shells.