Iron - Wikipedia
WEBIron is a chemical element; it has symbol Fe (from Latin ferrum 'iron') and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, forming much of …
Iron | Element, Occurrence, Uses, Properties, & Compounds
WEBMay 10, 2024 · 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 among the metals. Iron, which is the chief constituent of Earth’s core, is the most abundant element in Earth as a whole.
Iron - Wikiwand
WEBIron is a chemical element; it has symbol Fe ( from Latin ferrum 'iron') and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, forming much of …
Facts about iron - Live Science
WEBAug 23, 2017 · Iron is a brittle, hard substance, classified as a metal in Group 8 on the Periodic Table of the Elements. The most abundant of all metals, its pure form rapidly corrodes from exposure to moist...
Iron - Simple English Wikipedia, the free encyclopedia
WEBThis article is about iron the metal. For the tool called iron, see ironing. A chunk of iron. Iron is a chemical element and a metal. It is the most common chemical element on Earth (by mass), and the most widely used metal. It makes up much of the Earth's core, and is the fourth most common element in the Earth's crust.
Iron - Element information, properties and uses | Periodic Table
WEBIron is the fourth most abundant element, by mass, in the Earth’s crust. The core of the Earth is thought to be largely composed of iron with nickel and sulfur. The most common iron-containing ore is haematite, but iron is found widely distributed in other minerals such as magnetite and taconite.
Isotopes of iron - Wikipedia
WEBIsotopes of iron (26Fe) Naturally occurring iron ( 26 Fe) consists of four stable isotopes: 5.845% of 54 Fe (possibly radioactive with a half-life over 4.4 × 1020 years), [4] 91.754% of 56 Fe, 2.119% of 57 Fe and 0.286% of 58 Fe.
Iron | The Nutrition Source - Harvard T.H. Chan School of Public …
WEBIron is an important mineral that helps maintain healthy blood. A lack of iron is called iron-deficiency anemia, which affects about 4-5 million Americans yearly. [1] It is the most common nutritional deficiency worldwide, causing extreme fatigue and lightheadedness.
Iron compounds - Wikipedia
WEBIron forms various oxide and hydroxide compounds; the most common are iron (II,III) oxide (Fe 3 O 4 ), and iron (III) oxide (Fe 2 O 3 ). Iron (II) oxide also exists, though it is unstable at room temperature. Despite their names, they are actually all non-stoichiometric compounds whose compositions may vary. [13]
Iron Element Facts - ThoughtCo
WEBOct 2, 2019 · Iron is an essential mineral for health, but too much iron is extremely toxic. Free iron in the blood reacts with peroxides to form free radicals that damage DNA, protein, lipids and other cellular components, leading to illness and sometimes death. 20 milligrams of iron per kilogram of body weight is toxic, while 60 milligrams per kilogram is ...
iron summary | Britannica
WEBiron, Metallic chemical element, one of the transition element s, chemical symbol Fe, atomic number 26. Iron is the most used and cheapest metal, the second most abundant metal and fourth most abundant element in Earth’s crust.
Chemistry of Iron - Chemistry LibreTexts
WEBJun 30, 2023 · Iron, which takes its English name from the old Anglo-Saxon and its symbol from the Latin, ferrum, was identified and used in prehistoric times. It is a very common element, fourth most abundant in the earth's crust. In addition, two of the ten most common compounds in the earth's crust are the two common oxides of iron, \(FeO\) and …
Metal Profile: Iron Properties and Characteristics - ThoughtCo
WEBUpdated on January 11, 2020. Iron's use by humans dates back about 5,000 years. It is the second most abundant metal element in the Earth's crust and is primarily used to produce steel, one of the most important structural materials in the world.
Iron: Recommended intake, benefits, and food sources - Medical News Today
WEBFeb 23, 2018 · It provides an in-depth look at recommended intake of iron, its possible health benefits, foods high in iron, and any potential health risks of consuming too much iron. Fast facts on iron
Iron deficiency - Wikipedia
WEBIron deficiency, or sideropenia, is the state in which a body lacks enough iron to supply its needs.
Iron deficiency anemia - Symptoms & causes - Mayo Clinic
WEBJan 4, 2022 · As the name implies, iron deficiency anemia is due to insufficient iron. Without enough iron, your body can't produce enough of a substance in red blood cells that enables them to carry oxygen (hemoglobin). As a result, iron deficiency anemia may leave you tired and short of breath.
Iron Age - Timeline, Technology & Facts | HISTORY
WEBJan 3, 2018 · The Iron Age was a period in human history that started between 1200 B.C. and 600 B.C. During the Iron Age, people across much of Europe, Asia and parts of Africa began making tools and weapons...
Iron ore - Wikipedia
WEBIron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, or deep purple to rusty red. The iron is usually found in the form of magnetite (Fe 3 O 4, 72.4% Fe), hematite (Fe 2 O
READ: The Iron Age (article) | Khan Academy
WEBWhen we talk about the Iron Age, we usually picture swords, but that's not really what made iron technology so powerful. Sure, iron weapons are stronger than bronze, but the real advantage is that iron is easier to make. It all comes …
Cast iron - Wikipedia
WEBCast iron. Cast iron is a class of iron – carbon alloys with a carbon content of more than 2% and silicon content around 1–3%. [1] Its usefulness derives from its relatively low melting temperature. The alloying elements determine the form in which its carbon appears: white cast iron has its carbon combined into an iron carbide named ...
Iron Age | Definition, History, Technology, & Facts | Britannica
WEBIron Age, final technological and cultural stage in the Stone–Bronze–Iron Age sequence in which iron for the most part replaced bronze in implements and weapons. The date of the Iron Age varied geographically, beginning in the Middle East and southeastern Europe about 1200 BCE but in China not until about 600 CE.
Iron Age - Wikipedia
WEBThe Iron Age is the final epoch of the three historical Metal Ages, after the Chalcolithic and Bronze Age. It has also been considered as the final Age of the three-age division starting with prehistory (before recorded history) and progressing to …
Ferrous - Wikipedia
WEBFerrous. Iron (II) chloride tetrahydrate, . In chemistry, iron (II) refers to the element iron in its +2 oxidation state. The adjective ferrous or the prefix ferro- is often used to specify such compounds, as in ferrous chloride for iron (II) chloride ( FeCl2 ).
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