Octpentennium (Ope)

Octpentennium is the systematic name of the theoretical 859-и element in the periodic table with a symbol of Ope and atomic number of 859. Octpentennium, also known as element 859, has осемстотин петдесет и девет protons in its nucleus, and осемстотин петдесет и девет electrons in its shells.