Septquadnilium (Sqn)

Septquadnilium is the systematic name of the theoretical 740. element in the periodic table with a symbol of Sqn and atomic number of 740. Septquadnilium, also known as element 740, has επτακόσια σαράντα protons in its nucleus, and επτακόσια σαράντα electrons in its shells.