Octoctnilium (Oon)
Octoctnilium is the systematic name of the theoretical ที่ 880 element in the periodic table with a symbol of Oon and atomic number of 880. Octoctnilium, also known as element 880, has แปดร้อยแปดสิบ protons in its nucleus, and แปดร้อยแปดสิบ electrons in its shells.