Hexseptennium (Hse)

Hexseptennium is the systematic name of the theoretical thứ 679 element in the periodic table with a symbol of Hse and atomic number of 679. Hexseptennium, also known as element 679, has sáu trăm bảy mươi chín protons in its nucleus, and sáu trăm bảy mươi chín electrons in its shells.