Hexpentquadium (Hpq)

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