Octsepttrium (Ost)

Octsepttrium is the systematic name of the theoretical ที่ 873 element in the periodic table with a symbol of Ost and atomic number of 873. Octsepttrium, also known as element 873, has แปด​ร้อย​เจ็ด​สิบ​สาม protons in its nucleus, and แปด​ร้อย​เจ็ด​สิบ​สาม electrons in its shells.