Octpentennium (Ope)

Octpentennium is the systematic name of the theoretical 859-шы element in the periodic table with a symbol of Ope and atomic number of 859. Octpentennium, also known as element 859, has сегіз жүз елу тоғыз protons in its nucleus, and сегіз жүз елу тоғыз electrons in its shells.