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 sitt mija u disgħa u erbgħin protons in its nucleus, and sitt mija u disgħa u erbgħin electrons in its shells.