Octoctunium (Oou)

Octoctunium is the systematic name of the theoretical thứ 881 element in the periodic table with a symbol of Oou and atomic number of 881. Octoctunium, also known as element 881, has tám trăm tám mươi mốt protons in its nucleus, and tám trăm tám mươi mốt electrons in its shells.