Iron has four stable isotopes: 54 Fe (5.845% of natural iron), 56 Fe (91.754%), 57 Fe (2.119%) and 58 Fe (0.282%). Twenty-four artificial isotopes have also been created.

Element Iron (Fe), Group 8, Atomic Number 26, d-block, Mass 55.845. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

2025年8月29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 …

Archaeological evidence suggests that people have been using iron for at least 5000 years. Iron is the cheapest and one of the most abundant of all metals, comprising nearly 5.6% of the …

What is Iron 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 …

2025年6月9日 · Iron is a metal that is important for both plants and animals, especially in hemoglobin. Iron comes from the word 'ferrum', and has been used by humans since ancient …

Iron is the 26th element in the periodic table and has a symbol of Fe and atomic number of 26. It has an atomic weight of 55.845 and a mass number of 56. Iron has twenty-six protons and …

2025年1月21日 · Iron is a chemical element with the symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal in the first transition series. Iron is the most common element on Earth …

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 …

2020年4月8日 · With an abundance of about 35% in both Earth’s inner and outer core, Fe is the fourth most abundant chemical element in Earth’s crust and the most common chemical …