Editing Template:Infobox europium

{{Infobox element
|number=63
|symbol=Eu
|name=europium
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[samarium]]
|right=[[gadolinium]]
|above=–
|below=[[americium|Am]]
|category=lanthanide
|period=6
|block=f
|image name=Europium.jpg
|appearance=silvery white, with a pale yellow tint;<ref>{{Greenwood&Earnshaw|page=112}}</ref> but rarely seen without oxide discoloration
|electron configuration=&#91;[[xenon|Xe]]&#93; 4f<sup>7</sup> 6s<sup>2</sup>
|electrons per shell=2, 8, 18, 25, 8, 2
|phase=solid
|density gpcm3nrt=5.264
|density gpcm3mp=5.13
|melting point K=1099
|melting point C=826
|melting point F=1519
|boiling point K=1802
|boiling point C=1529
|boiling point F=2784
|heat fusion=9.21
|heat vaporization=176
|heat capacity=27.66
|vapor pressure 1=863
|vapor pressure 10=957
|vapor pressure 100=1072
|vapor pressure 1 k=1234
|vapor pressure 10 k=1452
|vapor pressure 100 k=1796
|vapor pressure comment=
|crystal structure=body-centered cubic
|oxidation states='''3''', '''2''', 1
|oxidation states comment=(a&nbsp;mildly [[base (chemistry)|basic]] oxide)
|electronegativity=1.2
|electronegativity comment=
|number of ionization energies=3
|ionization energy 1=547.1
|ionization energy 2=1085
|ionization energy 3=2404
|atomic radius=180
|covalent radius=198±6
|magnetic ordering=[[paramagnetic]]
|magnetic ordering ref=<ref name=magnet>{{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=µ
|electrical resistivity=poly: 0.900
|electrical resistivity comment=(at {{abbr|r.t.|room temperature}})
|thermal conductivity=est. 13.9
|thermal expansion=poly: 35.0
|thermal expansion comment=(at {{abbr|r.t.|room temperature}})
|magnetic susceptibility= +34,000.0·10<sup>−6</sup> 
|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|quote=|via=}}</ref>
|Young's modulus=18.2
|Shear modulus=7.9
|Bulk modulus=8.3
|Poisson ratio=0.152
|Vickers hardness=165–200
|CAS number=7440-53-1
|isotopes=
{{infobox element/isotopes decay | mn=150 | sym=Eu
|na=[[synthetic radioisotope|syn]] | hl=36.9&nbsp;y
|dm=[[electron capture|ε]] | de=2.261 | link1=samarium-150 | pn=150 | ps=Sm}}
{{infobox element/isotopes decay | mn=151 | sym=Eu
|na=47.8% | hl=5×10<sup>18</sup>&nbsp;y
|dm=[[alpha emission|α]] | de=1.9644 | link1=promethium-147 | pn=147 | ps=Pm}}
{{infobox element/isotopes decay2 | mn=152 | sym=Eu
|na=syn | hl=13.54&nbsp;y
|dm1=ε | de1=1.874 | link1=samarium-152 | pn1=152 | ps1=Sm
|dm2=[[Beta minus decay|β<sup>−</sup>]] | de2=1.819 | link2=gadolinium-152 | pn2=152 | ps2=Gd}}
{{infobox element/isotopes stable | mn=153 | sym=Eu | na=52.2% | n=90 |firstlinks=yes}}
{{infobox element/isotopes decay | mn=154 | sym=Eu | na=syn | hl=8.59&nbsp;y | dm=β<sup>−</sup> |de=1.969 |link1=gadolinium-154 | pn=154 | ps=Gd }}
{{infobox element/isotopes decay | mn=155 | sym=Eu | na=syn | hl=4.76&nbsp;y | dm=β<sup>−</sup> |de=0.253 |link1=gadolinium-155 | pn=155 | ps=Gd }}
|isotopes comment=
|naming=after [[Europe]]
|discovery and first isolation by=[[Eugène-Anatole Demarçay]]
|discovery date=1896
|first isolation date=1901
|QID=Q1396
}}<!--

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{{Infobox element/element navigation|symbol=Eu}}
{{Template reference list}}
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</noinclude>