Septoctennium (Soe)

Septoctennium is the systematic name of the theoretical 789e element in the periodic table with a symbol of Soe and atomic number of 789. Septoctennium, also known as element 789, has zeven­honderd­negen­en­tachtig protons in its nucleus, and zeven­honderd­negen­en­tachtig electrons in its shells.