Hexhexnilium (Hhn)

Hexhexnilium is the systematic name of the theoretical ٦٦٠. element in the periodic table with a symbol of Hhn and atomic number of 660. Hexhexnilium, also known as element 660, has ستة مائة وستون protons in its nucleus, and ستة مائة وستون electrons in its shells.