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  1. Iron - Wikipedia

    Chemically, the most common oxidation states of iron are iron (II) and iron (III). Iron shares many properties with other transition metals, including the other group 8 elements, ruthenium and osmium. …

  2. Iron | Element, Occurrence, Uses, Properties, & Compounds

    Nov 11, 2025 · Iron (Fe), chemical element and one of the transition elements, the most-used and cheapest metal. Iron makes up 5 percent of Earth’s crust and is second in abundance to aluminum …

  3. Iron deficiency anemia - Symptoms & causes - Mayo Clinic

    Sep 20, 2025 · Iron deficiency anemia is a common type of anemia. Anemia is a condition in which the blood doesn't have enough healthy red blood cells. Red blood cells carry oxygen to the body's …

  4. Iron - The Nutrition Source

    Iron is important for healthy brain development and growth in children, and for the normal production and function of various cells and hormones. Iron from food comes in two forms: heme and non-heme. …

  5. Iron: What It Is and Health Benefits

    Jul 25, 2024 · Iron is a key component to making sure that your body has oxygen-rich blood. That’s important for your brain, immune system and more.

  6. Iron - Consumer - Office of Dietary Supplements (ODS)

    Iron helps make hemoglobin in red blood cells. Learn how much you need, good sources, deficiency symptoms, and health effects here.

  7. Iron - Element information, properties and uses | Periodic Table

    Element Iron (Fe), Group 8, Atomic Number 26, d-block, Mass 55.845. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

  8. Iron - Wikiwand

    Iron is a chemical element; it has symbol Fe and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. ...

  9. The Comprehensive Guide to Iron: Properties, Uses, and Applications

    Dive into the complete guide on iron, one of the Earth's most crucial elements. Discover its physical and chemical properties, historical background, and an array of applications ranging from industry to …

  10. Iron - New World Encyclopedia

    Iron (chemical symbol Fe, from the Latin word ferrum, atomic number 26) is the second most abundant metal (after aluminum) in the Earth 's crust and the most abundant element (in terms of mass) in the …