Hexseptunium (Hsu)

Hexseptunium is the systematic name of the theoretical 671. element in the periodic table with a symbol of Hsu and atomic number of 671. Hexseptunium, also known as element 671, has seks­hundrede og en­og­halvfjerds protons in its nucleus, and seks­hundrede og en­og­halvfjerds electrons in its shells.