Octpentunium (Opu)

Octpentunium is the systematic name of the theoretical ۸۵۱. element in the periodic table with a symbol of Opu and atomic number of 851. Octpentunium, also known as element 851, has هشتصد و پنجاه و یک protons in its nucleus, and هشتصد و پنجاه و یک electrons in its shells.