Octennunium (Oeu)

Octennunium is the systematic name of the theoretical 891वाँ element in the periodic table with a symbol of Oeu and atomic number of 891. Octennunium, also known as element 891, has आठ सौ इक्यानबे protons in its nucleus, and आठ सौ इक्यानबे electrons in its shells.