Hexpentquadium (Hpq)

Hexpentquadium is the systematic name of the theoretical 654ú element in the periodic table with a symbol of Hpq and atomic number of 654. Hexpentquadium, also known as element 654, has sé chéad caoga a ceathair protons in its nucleus, and sé chéad caoga a ceathair electrons in its shells.