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. Iron forms compounds in a wide range of oxidation states, −2 to +7.
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) protein that transfers oxygen from the lungs to the tissues [1].
Iron, which is the chief constituent of Earth’s core, is the most abundant element in Earth as a whole (about 35 percent) and is relatively plentiful in the Sun and other stars.
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, and wrought iron, each has its unique properties and uses.
Element Iron (Fe), Group 8, Atomic Number 26, d-block, Mass 55.845. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Sports Illustrated on MSN: Here Are the NBA’s 2025–26 Iron Men. How Do They Compare to Years Past?
Here Are the NBA’s 2025–26 Iron Men. How Do They Compare to Years Past?
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 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...