Pentoctquadium (Poq)
Pentoctquadium is the systematic name of the theoretical 584. element in the periodic table with a symbol of Poq and atomic number of 584. Pentoctquadium, also known as element 584, has penki šimtai aštuoniasdešimt keturi protons in its nucleus, and penki šimtai aštuoniasdešimt keturi electrons in its shells.