Hexseptnilium (Hsn)

Hexseptnilium is the systematic name of the theoretical 670. element in the periodic table with a symbol of Hsn and atomic number of 670. Hexseptnilium, also known as element 670, has seks­hundrað­og­sjeyti protons in its nucleus, and seks­hundrað­og­sjeyti electrons in its shells.