Admin: 1 revision imported: setup

2021-04-16T03:59:18Z

1 revision imported: setup

setup>Monkbot: Task 18a (cosmetic) (manual): eval 2 templates: del empty params (2×);

2020-12-16T19:29:50Z

Task 18a (cosmetic) (manual): eval 2 templates: del empty params (2×);

New page

{{Infobox element
|engvar={{{engvar|}}}
|name=chromium
|number=24
|symbol=Cr
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[vanadium]]
|right=[[manganese]]
|above=–
|below=[[molybdenum|Mo]]
|category comment=
|group=6
|period=4
|block=d
|appearance=silvery metallic
|image name=Chromium_crystals_and_1cm3_cube.jpg
|electrons per shell=2, 8, 13, 1
|phase=
|phase comment=
|density gplstp=
|density gpcm3nrt=7.19
|density gpcm3nrt 2=
|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
|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=[[antiferromagnetism|antiferromagnetic]]
|magnetic ordering comment=(rather: [[spin density wave|SDW]])<ref name=fawcett>{{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}}</ref>
|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 at 25=4.9
|speed of sound=
|speed of sound rod at 20=5940
|speed of sound rod at r.t.=
|magnetic susceptibility= +280.0·10<sup>−6</sup>
|magnetic susceptibility ref=  (273 K)<ref>{{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}}</ref>
|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
|isotopes=
{{infobox element/isotopes stable | mn=50 | sym=Cr | na=4.345% | n=26 |firstlinks=yes}}
{{infobox element/isotopes decay2 | mn=51 | sym=Cr | na=[[synthetic radioisotope|syn]] | hl=27.7025 d
|dm1=[[electron capture|ε]] | de1=– | link1=vanadium-51 | pn1=51 | ps1=V
|dm2=[[gamma ray|γ]] | de2=0.320 | pn2= | ps2=– }}
{{Infobox element/isotopes stable | mn=52 | sym=Cr | na=83.789% | n=28 |firstlinks=no}}
{{Infobox element/isotopes stable | mn=53 | sym=Cr | na=9.501% | n=29 |firstlinks=no}}
{{Infobox element/isotopes stable | mn=54 | sym=Cr | na=2.365% | n=30 |firstlinks=no}}
|isotopes comment=
|discovery and first isolation by=[[Louis Nicolas Vauquelin]]
|discovery date=1794
|first isolation date=1797
|QID=Q725
}}<noinclude>
{{Infobox element/element navigation|symbol=Cr}}
{{Template reference list}}
{{documentation|1=Template:Infobox element/doc}}
</noinclude>

← Older revision	Revision as of 03:59, 16 April 2021
(No difference)

Template:Infobox chromium - Revision history

Admin: 1 revision imported: setup

setup>Monkbot: Task 18a (cosmetic) (manual): eval 2 templates: del empty params (2×);