Hexquadhexium (Hqh)

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