Septseptennium (Sse)

Septseptennium is the systematic name of the theoretical 779-и element in the periodic table with a symbol of Sse and atomic number of 779. Septseptennium, also known as element 779, has седемстотин седемдесет и девет protons in its nucleus, and седемстотин седемдесет и девет electrons in its shells.