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2021-04-16T03:58:16Z

1 revision imported: setup

setup>Monkbot: Task 18a (cosmetic) (manual): eval 1 template: del empty params (2×);

2020-12-16T20:08:22Z

Task 18a (cosmetic) (manual): eval 1 template: del empty params (2×);

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{{Infobox element
|engvar={{{engvar|}}}
|name=beryllium
|number=4
|symbol=Be
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[lithium]]
|right=[[boron]]
|above=–
|below=[[magnesium|Mg]]
|category comment=
|group=2
|period=2
|block=s
|appearance=white-gray metallic
|image name=Be-140g.jpg
|image upright=0.65
|electrons per shell=2, 2
|phase=
|phase comment=
|density gplstp=
|density gpcm3nrt=1.85
|density gpcm3mp=1.690
|melting point K=1560
|melting point C=1287
|melting point F=2349
|boiling point K=2742
|boiling point C=2469
|boiling point F=4476
|triple point K=
|triple point kPa=
|critical point K=5205
|critical point MPa=
|critical point comment=''(extrapolated)''
|heat fusion=12.2
|heat vaporization=292
|heat capacity=16.443
|vapor pressure 1=1462
|vapor pressure 10=1608
|vapor pressure 100=1791
|vapor pressure 1 k=2023
|vapor pressure 10 k=2327
|vapor pressure 100 k=2742
|vapor pressure comment=
|crystal structure=hexagonal close packed
|electronegativity=1.57
|number of ionization energies=4
|ionization energy 1=899.5
|ionization energy 2=1757.1
|ionization energy 3=14,848.7
|atomic radius=112
|atomic radius calculated=
|covalent radius=96±3
|Van der Waals radius=153
|magnetic ordering=[[diamagnetism|diamagnetic]]
|electrical resistivity unit prefix=n
|electrical resistivity at 0=
|electrical resistivity at 20=36
|thermal conductivity=200
|thermal conductivity 2=
|thermal diffusivity=
|thermal expansion=
|thermal expansion at 25=11.3
|speed of sound=
|speed of sound rod at r.t.=12,890
|speed of sound rod at r.t. ref=<ref>{{RubberBible92nd|page=14.48}}</ref>
|magnetic susceptibility= −9.0·10−6
|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=287
|Shear modulus=132
|Bulk modulus=130
|Poisson ratio=0.032
|Mohs hardness=5.5
|Vickers hardness=1670
|Brinell hardness=590–1320
|CAS number=7440-41-7
|isotopes=
{{infobox element/isotopes decay2 | mn=7 | sym=Be | na=[[trace radioisotope|trace]] | hl=53.12 d | dm1=[[electron capture|ε]] | de1=0.862 | link1=lithium-7 | pn1=7 | ps1=Li
|dm2=[[gamma radiation|γ]] | de2=0.477 | pn2= | ps2=– }}
{{Infobox element/isotopes stable | mn=9 | sym=Be | na=100% | n=5 |firstlinks=yes}}
{{infobox element/isotopes decay | mn=10 | sym=Be | na=trace | link=Beryllium-10 | hl=1.39×106 y | dm=[[beta emission|β−]] | de=0.556 | link1=boron-10 | pn=10 | ps=B}}
|predicted by=
|prediction date=
|discovered by=[[Louis Nicolas Vauquelin]]
|discovery date=1798
|first isolation by=[[Friedrich Wöhler]] & [[Antoine Bussy]]
|first isolation date=1828
|history comment label=
|history comment=
|QID=Q569
}}<noinclude>
{{Infobox element/element navigation|symbol=Be}}
{{Template reference list}}
One of these is a [[WP:REFNAME|named reference]]. It may be cited in the containing article as
*<nowiki><ref name="CIAAW2013" /></nowiki> for the source ''Atomic weights of the elements 2013'' (from subtemplates used by {{tl|Infobox element}})
{{documentation|1=Template:Infobox element/doc}}
[[Category:Templates that generate named references]]
</noinclude>

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setup>Monkbot: Task 18a (cosmetic) (manual): eval 1 template: del empty params (2×);