Septennunium (Seu)
Septennunium is the systematic name of the theoretical 791. element in the periodic table with a symbol of Seu and atomic number of 791. Septennunium, also known as element 791, has shtatëqind e nëntëdhjetë e një protons in its nucleus, and shtatëqind e nëntëdhjetë e një electrons in its shells.