Ennbiunium (Ebu)

Ennbiunium is the systematic name of the theoretical 921e element in the periodic table with a symbol of Ebu and atomic number of 921. Ennbiunium, also known as element 921, has negen­honderd­een­en­twintig protons in its nucleus, and negen­honderd­een­en­twintig electrons in its shells.