Hexquadhexium (Hqh)

Hexquadhexium is the systematic name of the theoretical 646:e element in the periodic table with a symbol of Hqh and atomic number of 646. Hexquadhexium, also known as element 646, has sex­hundra­fyrtio­sex protons in its nucleus, and sex­hundra­fyrtio­sex electrons in its shells.