Octseptunium (Osu)

Octseptunium is the systematic name of the theoretical thứ 871 element in the periodic table with a symbol of Osu and atomic number of 871. Octseptunium, also known as element 871, has tám trăm bảy mươi mốt protons in its nucleus, and tám trăm bảy mươi mốt electrons in its shells.