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.

The FE exam is generally your first step in the process of becoming a licensed professional engineer (P.E.). It is designed for recent graduates and students who are close to finishing an …

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Nov 11, 2025 · 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 …

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Jan 21, 2025 · 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 …

The element iron (Fe) is one of the most abundant on earth, but it does not occur in nature in useful metallic form. Iron ore is the term applied to a natural iron -bearing mineral in which the …

Iron is a chemical element of the periodic table with chemical symbol Fe and atomic number 26 with an atomic weight of 55.8452 u and is classed as transition metal and is part of group 8 …

Iron (Fe) has an atomic mass of 26. Find out about its chemical and physical properties, states, energy, electrons, oxidation and more.

Jun 9, 2025 · The element symbol, Fe, was shortened from the Latin word ' ferrum ' meaning 'firmness'. History: Ancient Egyptian iron objects have been dated to around 3500 B.C.