What is the chemical symbol for iron?

The chemical symbol for iron is Fe, which is derived from the Latin word "ferrum," meaning iron. This symbol is internationally recognized in the periodic table of elements, where each element is assigned a unique one- or two-letter abbreviation. Iron is a transition metal known for its strength and is a key component in steelmaking, as well as having various other applications in industry and construction.

The other options represent different elements with their own distinct uses and properties. Ir refers to iridium, a rare and dense metal; Au stands for gold, which is well-known for its monetary value and use in jewelry; and Ag represents silver, a metal prized for its conductivity and aesthetic qualities. Understanding these symbols is crucial in the study of chemistry and material science.