Hexquadennium (Hqe)

Hexquadennium is the systematic name of the theoretical 649. element in the periodic table with a symbol of Hqe and atomic number of 649. Hexquadennium, also known as element 649, has kuusi­sataa­neljä­kymmentä­yhdeksän protons in its nucleus, and kuusi­sataa­neljä­kymmentä­yhdeksän electrons in its shells.