Septseptennium (Sse)

Septseptennium is the systematic name of the theoretical 779a element in the periodic table with a symbol of Sse and atomic number of 779. Septseptennium, also known as element 779, has şapte sute şaptezeci şi nouă protons in its nucleus, and şapte sute şaptezeci şi nouă electrons in its shells.