Template:Infobox chromium

{{Infobox element

|engvar ={{{engvar|}}}

|name =chromium

|symbol =Cr

|Z =24

|number =24

|abundance=

|abundance in earth's crust=

|abundance in oceans=

|abundance in solar system=

|left=vanadium

|right=manganese

|above=–

|below=Mo

|appearance=silvery metallic

|image name=Chromium_crystals_and_1cm3_cube.jpg

|electrons per shell=2, 8, 13, 1

|phase=

|phase comment=

|density=7.192 g/cm³

|density conditions=(at 20° C)

|density gpcm3nrt=

|density gpcm3mp=6.3

|melting point K=2180

|melting point C=1907

|melting point F=3465

|boiling point K=2944

|boiling point C=2671

|boiling point F=4840

|triple point K=

|triple point kPa=

|critical point K=

|critical point MPa=

|heat fusion=21.0

|heat fusion 2=

|heat vaporization=347

|heat capacity=23.35

|vapor pressure 1=1656

|vapor pressure 10=1807

|vapor pressure 100=1991

|vapor pressure 1 k=2223

|vapor pressure 10 k=2530

|vapor pressure 100 k=2942

|vapor pressure comment=

|crystal structure=body-centered cubic

|crystal structure Pearson symbol=cI2

|lattice constant=a = 288.49 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}}

|electronegativity=1.66

|number of ionization energies=4

|ionization energy 1=652.9

|ionization energy 2=1590.6

|ionization energy 3=2987

|atomic radius=128

|atomic radius calculated=

|covalent radius=139±5

|Van der Waals radius=

|magnetic ordering=antiferromagnetic

|magnetic ordering comment=(rather: SDW){{cite journal|doi=10.1103/RevModPhys.60.209|title=Spin-density-wave antiferromagnetism in chromium|year=1988|author=Fawcett, Eric|journal=Reviews of Modern Physics|volume=60|pages=209|bibcode=1988RvMP...60..209F}}

|electrical resistivity unit prefix=n

|electrical resistivity=

|electrical resistivity at 0=

|electrical resistivity at 20=125

|thermal conductivity=93.9

|thermal conductivity 2=

|thermal diffusivity=

|thermal expansion=

|thermal expansion comment={{val|4.81|e=−6}}/K (at 20 °C)

|thermal expansion at 25=

|speed of sound=

|speed of sound rod at 20=5940

|speed of sound rod at r.t.=

|magnetic susceptibility= {{val|+280.0|e=−6}}

|magnetic susceptibility ref= (273 K){{Cite book|title=CRC, Handbook of Chemistry and Physics|last=Weast|first=Robert|publisher=Chemical Rubber Company Publishing|year=1984|isbn=0-8493-0464-4|location=Boca Raton, Florida|pages=E110}}

|Young's modulus=279

|Shear modulus=115

|Bulk modulus=160

|Poisson ratio=0.21

|Vickers hardness=1060

|Mohs hardness=8.5

|Brinell hardness=687–6500

|CAS number=7440-47-3

|naming=from the Greek χρῶμα, "color", because many chromium compounds are intensely colored

|discovery and first isolation by=Louis Nicolas Vauquelin

|discovery date=1794

|first isolation date=1797

|QID=Q725

}}