Octseptunium (Osu)

Octseptunium is the systematic name of the theoretical ke-871 element in the periodic table with a symbol of Osu and atomic number of 871. Octseptunium, also known as element 871, has delapan ratus tujuh puluh satu protons in its nucleus, and delapan ratus tujuh puluh satu electrons in its shells.