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. …

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 red blood cells carry oxygen from the lungs to cells all over the body. Iron also plays a role in many important functions in the body. People commonly use iron for preventing and...

Jan 15, 2026 · Iron supplements can be an easy way to get more iron, but there are plenty of foods that are high in iron that you can include in your diet, too.

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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.

Iron is a mineral that is naturally present in many foods, added to some food products, and available as a dietary supplement. Iron is an essential component of hemoglobin, an erythrocyte (red blood cell) …