Octpentennium (Ope)

Octpentennium is the systematic name of the theoretical 859. element in the periodic table with a symbol of Ope and atomic number of 859. Octpentennium, also known as element 859, has שמונה מאות חמישים ותשע protons in its nucleus, and שמונה מאות חמישים ותשע electrons in its shells.