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 deväť­sto sedemdesiat­osem protons in its nucleus, and deväť­sto sedemdesiat­osem electrons in its shells.