Octpentennium (Ope)

Octpentennium is the systematic name of the theoretical thứ 859 element in the periodic table with a symbol of Ope and atomic number of 859. Octpentennium, also known as element 859, has tám trăm năm mươi chín protons in its nucleus, and tám trăm năm mươi chín electrons in its shells.