Septoctennium (Soe)
Septoctennium is the systematic name of the theoretical ۷۸۹. element in the periodic table with a symbol of Soe and atomic number of 789. Septoctennium, also known as element 789, has هفتصد و هشتاد و نه protons in its nucleus, and هفتصد و هشتاد و نه electrons in its shells.