Septseptoctium (Sso)

Septseptoctium is the systematic name of the theoretical 778e element in the periodic table with a symbol of Sso and atomic number of 778. Septseptoctium, also known as element 778, has zeven­honderd­acht­en­zeventig protons in its nucleus, and zeven­honderd­acht­en­zeventig electrons in its shells.