Octoctennium (Ooe)

Octoctennium is the systematic name of the theoretical 889'inci element in the periodic table with a symbol of Ooe and atomic number of 889. Octoctennium, also known as element 889, has səkkiz yüz səqsən doqquz protons in its nucleus, and səkkiz yüz səqsən doqquz electrons in its shells.