Octennennium (Oee)

Octennennium is the systematic name of the theoretical 899. element in the periodic table with a symbol of Oee and atomic number of 899. Octennennium, also known as element 899, has שמונה מאות תשעים ותשע protons in its nucleus, and שמונה מאות תשעים ותשע electrons in its shells.