Octnilquadium (Onq)
Octnilquadium is the systematic name of the theoretical 804-ші element in the periodic table with a symbol of Onq and atomic number of 804. Octnilquadium, also known as element 804, has сегіз жүз төрт protons in its nucleus, and сегіз жүз төрт electrons in its shells.