Hexquadennium (Hqe)

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