Septseptennium (Sse)

Septseptennium is the systematic name of the theoretical 779'inci element in the periodic table with a symbol of Sse and atomic number of 779. Septseptennium, also known as element 779, has yeddi yüz yetmiş doqquz protons in its nucleus, and yeddi yüz yetmiş doqquz electrons in its shells.