Hexpentquadium (Hpq)

Hexpentquadium is the systematic name of the theoretical 654:e element in the periodic table with a symbol of Hpq and atomic number of 654. Hexpentquadium, also known as element 654, has sex­hundra­femtio­fyra protons in its nucleus, and sex­hundra­femtio­fyra electrons in its shells.