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. …

Most of the iron in the body is found in red blood cells and muscle cells. Food sources include meat, fish, beans, spinach, and cereal. Iron helps red blood cells carry oxygen from the lungs to...

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.

Jan 2, 2026 · 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 …

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

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. …

Jun 27, 2025 · Iron is a fundamental metal element used in many industries due to its strength, versatility, and ability to be shaped into various forms. Different types of iron, such as steel, cast iron, …

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

Jan 14, 2026 · Iron is an important mineral that your body needs to make hemoglobin, a protein in red blood cells. Red blood cells help carry oxygen throughout your body. You get iron from certain foods, …

Iron is the main ingredient used to make steel. Raw iron is magnetic (attracted to magnets), and its compound magnetite is permanently magnetic. In some regions iron was used around 1200 BCE. …