Template:Infobox europium

{{Infobox element

|symbol =Eu

|Z =63

|number =63

|name =europium

|abundance=

|abundance in earth's crust=

|abundance in oceans=

|abundance in solar system=

|left=samarium

|right=gadolinium

|above=–

|below=Am

|image name=Europium.jpg

|appearance=silvery white, with a pale yellow tint;{{Greenwood&Earnshaw|page=112}} but rarely seen without oxide discoloration

|electrons per shell=2, 8, 18, 25, 8, 2

|phase=

|density=5.246 g/cm³

|density conditions=(at 20° C)

|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

|crystal structure Pearson symbol=cI2

|lattice constant=a = 458.22 pm (at 20 °C){{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}}

|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={{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 }}

|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=

|thermal expansion comment={{val|26.3|e=−6}}/K (at 20 °C)

|magnetic susceptibility= {{val|+34,000.0|e=−6}}

|magnetic susceptibility 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}}

|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

|naming=after Europe

|discovered by=Eugène-Anatole Demarçay

|discovery date=1896

|first isolation date=1937

|QID=Q1396

}}