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 acht­hundert­drei­und­siebzig protons in its nucleus, and acht­hundert­drei­und­siebzig electrons in its shells.