Septennseptium (Ses)

Septennseptium is the systematic name of the theoretical 797e element in the periodic table with a symbol of Ses and atomic number of 797. Septennseptium, also known as element 797, has zeven­honderd­zeven­en­negentig protons in its nucleus, and zeven­honderd­zeven­en­negentig electrons in its shells.