Octoctennium (Ooe)

Octoctennium is the systematic name of the theoretical 889. element in the periodic table with a symbol of Ooe and atomic number of 889. Octoctennium, also known as element 889, has вісімсот вісімдесят девʼять protons in its nucleus, and вісімсот вісімдесят девʼять electrons in its shells.