Hexsepttrium (Hst)

Hexsepttrium is the systematic name of the theoretical thứ 673 element in the periodic table with a symbol of Hst and atomic number of 673. Hexsepttrium, also known as element 673, has sáu trăm bảy mươi ba protons in its nucleus, and sáu trăm bảy mươi ba electrons in its shells.