Octseptnilium (Osn)

Octseptnilium is the systematic name of the theoretical ۸۷۰. element in the periodic table with a symbol of Osn and atomic number of 870. Octseptnilium, also known as element 870, has هشتصد و هفتاد protons in its nucleus, and هشتصد و هفتاد electrons in its shells.