Ennseptunium (Esu)

Ennseptunium is the systematic name of the theoretical 971. element in the periodic table with a symbol of Esu and atomic number of 971. Ennseptunium, also known as element 971, has níggju­hundrað­og­sjeyti­ein protons in its nucleus, and níggju­hundrað­og­sjeyti­ein electrons in its shells.