Hexseptennium (Hse)

Hexseptennium is the systematic name of the theoretical 679. element in the periodic table with a symbol of Hse and atomic number of 679. Hexseptennium, also known as element 679, has шістсот сімдесят девʼять protons in its nucleus, and шістсот сімдесят девʼять electrons in its shells.