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 deviņsimt septiņdesmit viens protons in its nucleus, and deviņsimt septiņdesmit viens electrons in its shells.