Octseptunium (Osu)

Octseptunium is the systematic name of the theoretical 871. element in the periodic table with a symbol of Osu and atomic number of 871. Octseptunium, also known as element 871, has átta­hundrað­og­sjeyti­ein protons in its nucleus, and átta­hundrað­og­sjeyti­ein electrons in its shells.