Octpentseptium (Ops)

Octpentseptium is the systematic name of the theoretical 857. element in the periodic table with a symbol of Ops and atomic number of 857. Octpentseptium, also known as element 857, has ութ­հարյուր հիսուն­յոթ protons in its nucleus, and ութ­հարյուր հիսուն­յոթ electrons in its shells.