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 שמונה מאות חמישים ושבע protons in its nucleus, and שמונה מאות חמישים ושבע electrons in its shells.