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 níggju­hundrað­og­sjeyti­tríggir protons in its nucleus, and níggju­hundrað­og­sjeyti­tríggir electrons in its shells.