Octpentseptium (Ops)

Octpentseptium is the systematic name of the theoretical ที่ 857 element in the periodic table with a symbol of Ops and atomic number of 857. Octpentseptium, also known as element 857, has แปด​ร้อย​ห้า​สิบ​เจ็ด protons in its nucleus, and แปด​ร้อย​ห้า​สิบ​เจ็ด electrons in its shells.