Ennseptoctium (Eso)

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