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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 Iron forms compounds in a wide range of oxidation states, −2 to +7
IRON中文 (简体)翻译:剑桥词典 A heavy iron chain was clamped around his wrists The earth's core is a hot, molten mix of iron and nickel The roof is made from sheets of corrugated iron The autopsy revealed that his murderer had struck him on the head with an iron bar Working iron requires higher temperatures than bronze
iron summary | Britannica The human body contains about one-sixth of an ounce (4 5 g) of iron, mostly in hemoglobin and its precursors; iron in the diet is essential to health Iron is ferromagnetic (see ferromagnetism) at ordinary temperatures and is the only metal that can be tempered (see tempering)
Iron Element Facts - chemicool. com Iron is the cheapest and most important of all metals – important in the sense that iron is overwhelmingly the most commonly used metal, accounting for 95 percent of worldwide metal production