Octennunium (Oeu)

Octennunium is the systematic name of the theoretical 891. element in the periodic table with a symbol of Oeu and atomic number of 891. Octennunium, also known as element 891, has שמונה מאות תשעים ואחת protons in its nucleus, and שמונה מאות תשעים ואחת electrons in its shells.