Ennsepttrium (Est)
Ennsepttrium is the systematic name of the theoretical 973. element in the periodic table with a symbol of Est and atomic number of 973. Ennsepttrium, also known as element 973, has nëntëqind e shtatëdhjetë e tre protons in its nucleus, and nëntëqind e shtatëdhjetë e tre electrons in its shells.