Àdàkọ:Infobox iron

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Iron, 26Fe
Àdàkọ:Infobox element/symbol-to-top-image/alt
Iron
Ìhànsójúlustrous metallic with a grayish tinge
Ìwúwo átọ̀mù Ar, std(Fe)55.845(2)Àdàkọ:CIAAW2013
nọ́mbà ìsújọFe:
Iron ní orí tábìlì àyè
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
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Fe

Ru
manganeseironcobalt
Nọ́mbà átọ̀mù (Z)26
Ẹgbẹ́group 8
Àyèàyè 4
Àdìpọ̀Àdìpọ̀-d
Ẹ̀ka ẹ́límẹ́ntìÀdàkọ:Infobox element/category format
Ìtò ẹ̀lẹ́ktrọ́nùÀdàkọ:Infobox element/symbol-to-electron-configuration
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan2, 8, 14, 2
Àwọn ohun ìní ara
Ìfarahàn at STPsolid
Ìgbà ìyọ́1811 K ​(1538 °C, ​2800 °F)
Ígbà ìhó3134 K ​(2862 °C, ​5182 °F)
Kíki (near r.t.)7.874 g/cm3
when liquid (at m.p.)6.98 g/cm3
Heat of fusion13.81 kJ/mol
Heat of 340 kJ/mol
Molar heat capacity25.10 J/(mol·K)
 pressure
Atomic properties
Oxidation statesÀdàkọ:Infobox element/symbol-to-oxidation-state
ElectronegativityPauling scale: 1.83
energies
Atomic radiusempirical: 126 pm
Covalent radius132±3 (low spin), 152±6 (high spin) pm
Àdàkọ:Infobox element/spectral lines
Other properties
Natural occurrenceÀdàkọ:Infobox element/symbol-to-occurrence
Crystal structureÀdàkọ:Infobox element/crystal structure
Speed of sound thin rod(electrolytic)
5120 m/s (at r.t.)
Thermal expansion11.8 µm/(m·K) (at 25 °C)
Thermal conductivity80.4 W/(m·K)
Electrical resistivity96.1 n Ω·m (at 20 °C)
Magnetic orderingferromagnetic
Young's modulus211 GPa
Shear modulus82 GPa
Bulk modulus170 GPa
Poisson ratio0.29
Mohs hardness4
Vickers hardness608 MPa
Brinell hardness490 MPa
CAS Number7439-89-6
Main isotopes of iron
Àdàkọ:Infobox element/isotopes table
Àdàkọ:Category-inline
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References