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