Septennoctium (Seo)

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