Septseptennium (Sse)

Septseptennium is the systematic name of the theoretical 779-шы element in the periodic table with a symbol of Sse and atomic number of 779. Septseptennium, also known as element 779, has жеті жүз жетпіс тоғыз protons in its nucleus, and жеті жүз жетпіс тоғыз electrons in its shells.