Septennoctium (Seo)

Septennoctium is the systematic name of the theoretical 798. element in the periodic table with a symbol of Seo and atomic number of 798. Septennoctium, also known as element 798, has sieben­hundert­acht­und­neunzig protons in its nucleus, and sieben­hundert­acht­und­neunzig electrons in its shells.