Octpentennium (Ope)

Octpentennium is the systematic name of the theoretical ۸۵۹. element in the periodic table with a symbol of Ope and atomic number of 859. Octpentennium, also known as element 859, has هشتصد و پنجاه و نه protons in its nucleus, and هشتصد و پنجاه و نه electrons in its shells.