Iron (Fe) is a metallic chemical element with atomic number 26. The most abundant iron isotope is ⁵⁶Fe - meaning 26 protons and 30 neutrons.

Iron is called Ferrum in Latin, hence its chemical symbol Fe.

Iron is an important element in the human body since it is part of the protein hemoglobin, which is needed for transporting oxygen in our bloodstream.

Iron is one of the few elements whose name can be spelled using element symbols: Ir - O - N.