Hexoctquadium (Hoq)
Hexoctquadium is the systematic name of the theoretical 684ú element in the periodic table with a symbol of Hoq and atomic number of 684. Hexoctquadium, also known as element 684, has sé chéad ochtó a ceathair protons in its nucleus, and sé chéad ochtó a ceathair electrons in its shells.