The chemical element with the atomic number 26 is iron (Fe). Iron is a metal that is essential for life and plays a crucial role in various biological processes. It is a primary component of hemoglobin, allowing red blood cells to transport oxygen throughout the body. Iron is found naturally in the Earth's crust and is widely used in construction, manufacturing, and the production of steel. Its properties, such as malleability and ductility, make it a valuable material in numerous industries, contributing to its status as one of the most abundant elements on Earth.