>HeyElliott: MOS:CAPS

2024-08-28T03:24:52Z

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{{Infobox element
|name =cobalt
|symbol =Co
|Z =27
|number =27
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[iron]]
|right=[[nickel]]
|above=–
|below=[[rhodium|Rh]]
|appearance=Hard lustrous bluish gray metal
|image name=Kobalt_electrolytic_and_1cm3_cube.jpg
|electrons per shell=2, 8, 15, 2
|phase=
|phase comment=
|density gplstp=
|density=8.834 g/cm3 <ref name="Arblaster 2018" />
|density conditions=(at 20° C)
|density gpcm3nrt=
|density gpcm3mp=7.75
|melting point K=1768
|melting point C=1495
|melting point F=2723
|boiling point K=3200
|boiling point C=2927
|boiling point F=5301
|triple point K=
|triple point kPa=
|critical point K=
|critical point MPa=
|heat fusion=16.06
|heat fusion 2=
|heat vaporization=377
|heat capacity=24.81
|vapor pressure 1=1790
|vapor pressure 10=1960
|vapor pressure 100=2165
|vapor pressure 1 k=2423
|vapor pressure 10 k=2755
|vapor pressure 100 k=3198
|vapor pressure comment=
|crystal structure=hexagonal close packed
|crystal structure Pearson symbol=hP2
|lattice constants=''a'' = 250.71 pm ''c'' = 407.00 pm (at 20 °C)<ref name="Arblaster 2018">{{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}}</ref>
|electronegativity=1.88
|number of ionization energies=4
|ionization energy 1=760.4
|ionization energy 2=1648
|ionization energy 3=3232
|atomic radius=125
|atomic radius calculated=
|covalent radius=Low spin: 126±3 pm High spin: 150±7
|Van der Waals radius=
|magnetic ordering=[[ferromagnetism|Ferromagnetic]]
|electrical resistivity unit prefix=n
|electrical resistivity at 0=
|electrical resistivity at 20=62.4
|thermal conductivity=100
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=
|thermal expansion comment={{val|12.9|e=−6}}/K (at 20 °C){{efn|text=The thermal expansion of cobalt is [[Anisotropy|anisotropic]]: the [[Thermal expansion#Coefficients|coefficients]] for each crystal axis are (at 20 °C): α''a'' = {{val|10.9|e=−6}}/K, α''c'' = {{val|17.9|e=−6}}/K, and αaverage = αV/3 = {{val|12.9|e=−6}}/K.}}
|thermal expansion at 25=
|speed of sound=
|speed of sound rod at 20=4720
|speed of sound rod at r.t.=
|magnetic susceptibility=
|magnetic susceptibility ref=
|Young's modulus=209
|Shear modulus=75
|Bulk modulus=180
|Poisson ratio=0.31
|Mohs hardness=5.0
|Vickers hardness=1043
|Brinell hardness=470–3000
|CAS number=7440-48-4
|discovery and first isolation by=[[Georg Brandt]]
|discovery date=1735
|QID=Q740
}}<noinclude>
{{Infobox element/element navigation|symbol=Co}}
== Notes ==
{{Notelist}}
{{Template reference list}}
{{documentation|1=Template:Infobox element/doc}}
</noinclude>

Template:Infobox cobalt - Revision history

>HeyElliott: MOS:CAPS