Hexennseptium (Hes)

Hexennseptium is the systematic name of the theoretical 697e element in the periodic table with a symbol of Hes and atomic number of 697. Hexennseptium, also known as element 697, has zes­honderd­zeven­en­negentig protons in its nucleus, and zes­honderd­zeven­en­negentig electrons in its shells.