Template:Infobox iron

{{infobox element

|name =iron

|symbol =Fe

|Z =26

|number =26

|abundance=

|abundance in earth's crust=

|abundance in oceans=

|abundance in solar system=

|left=manganese

|right=cobalt

|above=–

|below=Ru

|appearance=lustrous metallic with a grayish tinge

|image name=Iron_electrolytic_and_1cm3_cube.jpg

|electrons per shell=2, 8, 14, 2

|phase=

|density=7.874 g/cm³

|density conditions=(at 20° C)

|density gpcm3nrt=

|density gpcm3mp=6.98

|melting point K=1811

|melting point C=1538

|melting point F=2800

|boiling point K=3134

|boiling point C=2861

|boiling point F=5182

|triple point K=

|triple point kPa=

|critical point K=

|critical point MPa=

|heat fusion=13.81

|heat fusion 2=

|heat vaporization=340

|heat capacity=25.10

|vapor pressure 1=1728

|vapor pressure 10=1890

|vapor pressure 100=2091

|vapor pressure 1 k=2346

|vapor pressure 10 k=2679

|vapor pressure 100 k=3132

|vapor pressure comment=

|crystal structure=body-centered cubic

|crystal structure prefix=α-Fe:

|crystal structure Pearson symbol=cI2

|lattice constant=a = 286.65 pm (at 20 °C){{cite book |last=Arblaster |first= John W. |title=Selected Values of the Crystallographic Properties of Elements |publisher=ASM International |publication-place=Materials Park, Ohio |date=2018 |isbn=978-1-62708-155-9}}

|crystal structure 2=face-centered cubic

|crystal structure 2 prefix=γ-Fe (912–1394 °C):

|crystal structure 2 Pearson symbol=cF4

|lattice constant 2=a = 364.68 pm (at 916 °C){{cite book |last=Cardarelli |first=François |title=Materials Handbook: A Concise Desktop Reference |publisher=Springer |publication-place=London |date=2008 | isbn=1-84628-668-9 | page=65}}

|electronegativity=1.83

|number of ionization energies=4

|ionization energy 1=762.5

|ionization energy 2=1561.9

|ionization energy 3=2957

|atomic radius=126

|atomic radius calculated=

|covalent radius=Low spin: 132±3 pm
High spin: 152±6

|Van der Waals radius=194 [https://periodic.lanl.gov/26.shtml]

|magnetic ordering=ferromagnetic

|Curie point K=1043

|electrical resistivity=

|electrical resistivity unit prefix=n

|electrical resistivity at 0=

|electrical resistivity at 20=96.1

|thermal conductivity=80.4

|thermal conductivity 2=

|thermal diffusivity=

|thermal expansion=

|thermal expansion comment={{val|12.07|e=−6}}/K (at 20 °C)

|thermal expansion at 25=

|speed of sound=

|speed of sound rod at 20=

|speed of sound rod at r.t.=5120

|speed of sound rod at r.t. comment=(electrolytic)

|magnetic susceptibility=

|magnetic susceptibility ref=

|Young's modulus=211

|Shear modulus=82

|Bulk modulus=170

|Poisson ratio=0.29

|Mohs hardness=4

|Vickers hardness=608

|Brinell hardness=200–1180

|CAS number=7439-89-6

|naming=probably from a PIE root meaning 'blood', for the color of its oxides

|discovery date=before 5000 BC

|QID=Q677

}}