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 tmien mija u tmienja u ħamsin protons in its nucleus, and tmien mija u tmienja u ħamsin electrons in its shells.