Octpentoctium (Opo)

Octpentoctium is the systematic name of the theoretical 858'инчи element in the periodic table with a symbol of Opo and atomic number of 858. Octpentoctium, also known as element 858, has сегиз жүз элүү сегиз protons in its nucleus, and сегиз жүз элүү сегиз electrons in its shells.