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.

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Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.

Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or …

Natural iron (26 Fe) consists of four stable isotopes: 5.85% 54 Fe, 91.75% 56 Fe, 2.12% 57 Fe and 0.28% 58 Fe. There are 28 known radioisotopes and 8 nuclear isomers, the most stable of which are …

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May 27, 1999 · Compounds of iron in the +2 state are designated ferrous and contain the pale green Fe 2+ ion or complex ions. Compounds of iron in the +3 state are called ferric and contain the Fe 3+ ion …

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

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Interactive periodic table with element scarcity (SRI), discovery dates, melting and boiling points, group, block and period information.