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 aštuoni šimtai septyniasdešimt vienas protons in its nucleus, and aštuoni šimtai septyniasdešimt vienas electrons in its shells.