Septseptennium (Sse)

Septseptennium is the systematic name of the theoretical ٧٧٩. element in the periodic table with a symbol of Sse and atomic number of 779. Septseptennium, also known as element 779, has سبعة مائة وتسعة وسبعون protons in its nucleus, and سبعة مائة وتسعة وسبعون electrons in its shells.