Ennseptseptium (Ess)

Ennseptseptium is the systematic name of the theoretical 977e element in the periodic table with a symbol of Ess and atomic number of 977. Ennseptseptium, also known as element 977, has negen­honderd­zeven­en­zeventig protons in its nucleus, and negen­honderd­zeven­en­zeventig electrons in its shells.