Hexhexunium (Hhu)

Hexhexunium is the systematic name of the theoretical ۶۶۱. element in the periodic table with a symbol of Hhu and atomic number of 661. Hexhexunium, also known as element 661, has ششصد و شصت و یک protons in its nucleus, and ششصد و شصت و یک electrons in its shells.