Octbiunium (Obu)

Octbiunium is the systematic name of the theoretical 821. element in the periodic table with a symbol of Obu and atomic number of 821. Octbiunium, also known as element 821, has שמונה מאות עשרים ואחת protons in its nucleus, and שמונה מאות עשרים ואחת electrons in its shells.