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 aštuoni šimtai penkiasdešimt devyni protons in its nucleus, and aštuoni šimtai penkiasdešimt devyni electrons in its shells.