Octennoctium (Oeo)

Octennoctium is the systematic name of the theoretical ۸۹۸. element in the periodic table with a symbol of Oeo and atomic number of 898. Octennoctium, also known as element 898, has هشتصد و نود و هشت protons in its nucleus, and هشتصد و نود و هشت electrons in its shells.