Octpentoctium (Opo)

Octpentoctium is the systematic name of the theoretical ที่ 858 element in the periodic table with a symbol of Opo and atomic number of 858. Octpentoctium, also known as element 858, has แปด​ร้อย​ห้า​สิบ​แปด protons in its nucleus, and แปด​ร้อย​ห้า​สิบ​แปด electrons in its shells.