Octpentennium (Ope)

Octpentennium is the systematic name of the theoretical ที่ 859 element in the periodic table with a symbol of Ope and atomic number of 859. Octpentennium, also known as element 859, has แปด​ร้อย​ห้า​สิบ​เก้า protons in its nucleus, and แปด​ร้อย​ห้า​สิบ​เก้า electrons in its shells.