Octsepttrium (Ost)

Octsepttrium is the systematic name of the theoretical 873. element in the periodic table with a symbol of Ost and atomic number of 873. Octsepttrium, also known as element 873, has aštuoni šimtai septyniasdešimt trys protons in its nucleus, and aštuoni šimtai septyniasdešimt trys electrons in its shells.