Octseptunium (Osu)

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