The chemical element with the symbol "Fe" is iron. It is a transition metal known for its strength and durability, making it a crucial material in construction, manufacturing, and various industrial applications. Iron is the fourth most abundant element in the universe and plays a vital role in biological systems, particularly in the transportation of oxygen in blood through hemoglobin in red blood cells. It is also essential in several enzymatic processes in living organisms. Iron can exist in various oxidation states, enhancing its versatility in chemical reactions and various applications.