Iron is a chemical element with the symbol Fe and atomic number 26.
Iron is the fourth most abundant element in the Earth's crust and it is the most commonly used metal.
Iron is a key component in the production of steel, which is used in construction, transportation, and a wide range of other industries.
Iron is a highly reactive element and it easily forms compounds with other elements, such as oxygen and sulfur.
Iron is an essential nutrient for all living organisms, including humans, and it is required for the formation of hemoglobin, the protein in red blood cells that carries oxygen.
Iron is found in a variety of minerals, the most common being hematite and magnetite.
Iron has been used by humans for thousands of years, and it was one of the first metals to be discovered and used by ancient civilizations.
Iron was first smelted from iron ore in a bloomery furnace, which was a simple furnace that could reach temperatures high enough to extract the iron from the ore.
The iron pillar of Delhi, India, is a remarkable piece of ancient iron metallurgy, it is made of 98% wrought iron and it has stood for over 1600 years without rusting.
Iron's name comes from the Anglo-Saxon word "iren", and is also related to words such as "irons", "ironsmith" and "ironside".
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