Ennseptoctium (Eso)

Ennseptoctium is the systematic name of the theoretical 978. element in the periodic table with a symbol of Eso and atomic number of 978. Ennseptoctium, also known as element 978, has neun­hundert­acht­und­siebzig protons in its nucleus, and neun­hundert­acht­und­siebzig electrons in its shells.