Octpentoctium (Opo)

Octpentoctium is the systematic name of the theoretical 858. element in the periodic table with a symbol of Opo and atomic number of 858. Octpentoctium, also known as element 858, has aštuoni šimtai penkiasdešimt aštuoni protons in its nucleus, and aštuoni šimtai penkiasdešimt aštuoni electrons in its shells.