The chemical element represented by the symbol "Fe" is iron. Iron is a transition metal that is known for its strength and durability, making it essential for various applications, including construction and manufacturing. It has an atomic number of 26 and is one of the most abundant elements in the Earth's crust. Iron is not only crucial for industrial processes but also plays an important role in biological systems, particularly in the hemoglobin that carries oxygen in the blood. Its discovery and use date back thousands of years, making it a fundamental element in the progression of human civilization.