Iron is a chemical element; it has the 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 Earth's outer and inner core.

2024年12月9日 · 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.

2017年8月23日 · 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...

Iron is an enigma – it rusts easily, yet it is the most important of all metals. 90% of all metal that is refined today is iron. Most is used to manufacture steel, used in civil engineering (reinforced concrete, girders etc) and in manufacturing.

Iron is a chemical element with symbol Fe and atomic number 26. It is a metal in the first transition series. It is by mass the most common element on Earth, forming much of Earth’s outer and inner core. It is the fourth most common element in the Earth’s crust.

2023年4月28日 · Iron is the metallic element with the atomic number 26 and is represented by the symbol ‘Fe’ in the periodic table. It is classified as a transition metal and belongs to the d-block of group 8 (VIII) of the periodic table.

2020年1月11日 · Pure iron is a silver-colored metal that conducts heat and electricity well. Iron is too reactive to exist alone, so it only occurs naturally in the Earth's crust as iron ores, such as hematite, magnetite, and siderite. One of iron's identifying characteristics is …

Iron (prounounced as EYE-ren) is a hard metal with a high commercial value, belonging to the family of transition metals. Represented by the chemical symbol Fe, it is chemically reactive with a tendency to corrode easily in air forming a reddish layer called rust …

Iron atom is an iron group element atom that has atomic number 26. It has a role as a micronutrient and an Escherichia coli metabolite. A metallic element found in certain minerals, in nearly all soils, and in mineral waters. It is an essential constituent of hemoglobin, cytochrome, and other components of respiratory enzyme systems.

2018年12月7日 · Iron (abbreviated Fe) on Earth is made from iron ore, which contains the element iron along with varying amounts of rock. Iron is the primary element in the manufacture of steel. The element iron itself comes from supernovae, which represent the violent explosive deaths of faraway stars.