>LunaEclipse: Reverted edits by 2409:408C:261C:BAB5:0:0:1D0E:F0A4 (talk) to last version by MadeOfAtoms

2025-01-28T01:47:46Z

Reverted edits by 2409:408C:261C:BAB5:0:0:1D0E:F0A4 (talk) to last version by MadeOfAtoms

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{{Infobox element
|engvar ={{{engvar|}}}
|name =barium
|symbol =Ba
|Z =56
|number =56
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[caesium]]
|right=[[lanthanum]]
|above=[[Strontium|Sr]]
|below=[[Radium|Ra]]
|appearance=silvery gray; with a pale yellow tint<ref>{{Greenwood&Earnshaw|page=112}}</ref>
|image name=Barium unter Argon Schutzgas Atmosphäre.jpg
|electrons per shell=2, 8, 18, 18, 8, 2
|phase=
|phase comment=
|density=3.594 g/cm<sup>3</sup> <ref name="Arblaster 2018" />
|density conditions=(at 20° C)
|density gpcm3nrt=
|density gpcm3mp=3.338
|melting point K=1000
|melting point C=727
|melting point F=1341
|boiling point K=2118
|boiling point C=1845
|boiling point F=3353
|triple point K=
|triple point kPa=
|critical point K=
|critical point MPa=
|heat fusion=7.12
|heat vaporization=142
|heat capacity=28.07
|vapor pressure 1=911
|vapor pressure 10=1038
|vapor pressure 100=1185
|vapor pressure 1 k=1388
|vapor pressure 10 k=1686
|vapor pressure 100 k=2170
|vapor pressure comment=
|crystal structure=body-centered cubic
|crystal structure Pearson symbol=cI2
|lattice constant=''a'' = 502.5 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=0.89
|number of ionization energies=3
|ionization energy 1=502.9
|ionization energy 2=965.2
|ionization energy 3=3600
|atomic radius=222
|covalent radius=215±11
|Van der Waals radius=268
|magnetic ordering=[[paramagnetism|paramagnetic]]
|magnetic ordering ref=<ref>{{cite book |url=https://web.archive.org/web/20110303222309/http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf|chapter=Magnetic susceptibility of the elements and inorganic compounds| editor = Lide, D. R. | title = CRC Handbook of Chemistry and Physics | edition = 86th | location = Boca Raton (FL) | publisher = CRC Press | year = 2005 | isbn = 0-8493-0486-5 }}</ref>
|electrical resistivity unit prefix=n
|electrical resistivity at 0=
|electrical resistivity at 20=332
|thermal conductivity=18.4
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=
|thermal expansion comment={{val|20.47|e=−6}}/K (at 20 °C)<ref name="Arblaster 2018" />
|thermal expansion at 25=
|speed of sound=
|speed of sound rod at 20=1620
|speed of sound rod at r.t.=
|magnetic susceptibility= {{val|+20.6|e=−6}}
|magnetic susceptibility ref= <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=13
|Shear modulus=4.9
|Bulk modulus=9.6
|Poisson ratio=
|Mohs hardness=1.25
|Vickers hardness=
|Brinell hardness=
|CAS number=7440-39-3
|discovered by=[[Carl Wilhelm Scheele]]
|discovery date=1772
|first isolation by=[[Humphry Davy]]
|first isolation date=1808
|QID=Q1112
}}<noinclude>
{{Infobox element/element navigation|symbol=Ba}}
{{Template reference list}}
{{documentation|1=Template:Infobox element/doc}}
</noinclude>

Template:Infobox barium - Revision history

>LunaEclipse: Reverted edits by 2409:408C:261C:BAB5:0:0:1D0E:F0A4 (talk) to last version by MadeOfAtoms