Octseptunium (Osu)

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