Ennseptseptium (Ess)
Ennseptseptium is the systematic name of the theoretical ٩٧٧. element in the periodic table with a symbol of Ess and atomic number of 977. Ennseptseptium, also known as element 977, has تسعة مائة وسبعة وسبعون protons in its nucleus, and تسعة مائة وسبعة وسبعون electrons in its shells.