Octunpentium (Oup)

Octunpentium is the systematic name of the theoretical ۸۱۵. element in the periodic table with a symbol of Oup and atomic number of 815. Octunpentium, also known as element 815, has هشتصد و پانزده protons in its nucleus, and هشتصد و پانزده electrons in its shells.