Pentquadoctium (Pqo)
Pentquadoctium is the systematic name of the theoretical 548. element in the periodic table with a symbol of Pqo and atomic number of 548. Pentquadoctium, also known as element 548, has penki šimtai keturiasdešimt aštuoni protons in its nucleus, and penki šimtai keturiasdešimt aštuoni electrons in its shells.