Hexseptennium (Hse)

Hexseptennium is the systematic name of the theoretical 679'inci element in the periodic table with a symbol of Hse and atomic number of 679. Hexseptennium, also known as element 679, has altı yüz yetmiş doqquz protons in its nucleus, and altı yüz yetmiş doqquz electrons in its shells.