Octsepttrium (Ost)

Octsepttrium is the systematic name of the theoretical ۸۷۳. element in the periodic table with a symbol of Ost and atomic number of 873. Octsepttrium, also known as element 873, has هشتصد و هفتاد و سه protons in its nucleus, and هشتصد و هفتاد و سه electrons in its shells.