Hexquadennium (Hqe)

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