Hexseptennium (Hse)
Hexseptennium is the systematic name of the theoretical ۶۷۹. element in the periodic table with a symbol of Hse and atomic number of 679. Hexseptennium, also known as element 679, has ششصد و هفتاد و نه protons in its nucleus, and ششصد و هفتاد و نه electrons in its shells.