Octsepttrium (Ost)

Octsepttrium is the systematic name of the theoretical thứ 873 element in the periodic table with a symbol of Ost and atomic number of 873. Octsepttrium, also known as element 873, has tám trăm bảy mươi ba protons in its nucleus, and tám trăm bảy mươi ba electrons in its shells.