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 astoņsimt septiņdesmit viens protons in its nucleus, and astoņsimt septiņdesmit viens electrons in its shells.