Octoctseptium (Oos)

Octoctseptium is the systematic name of the theoretical ۸۸۷. element in the periodic table with a symbol of Oos and atomic number of 887. Octoctseptium, also known as element 887, has هشتصد و هشتاد و هفت protons in its nucleus, and هشتصد و هشتاد و هفت electrons in its shells.