Template:Infobox ytterbium

{{Infobox element

|symbol =Yb

|Z =70

|number =70

|name =ytterbium

|abundance=

|abundance in earth's crust=

|abundance in oceans=

|abundance in solar system=

|left=thulium

|right=lutetium

|above=–

|below=No

|image name=Ytterbium-3.jpg

|appearance=silvery white; with a pale yellow tint{{Greenwood&Earnshaw|page=112}}

|electrons per shell=2, 8, 18, 32, 8, 2

|phase=

|density=6.967 g/cm³

|density conditions=(at 20° C)

|density gpcm3mp=6.21

|melting point K=1097

|melting point C=824

|melting point F=1515

|boiling point K=1469

|boiling point C=1196

|boiling point F=2185

|heat fusion=7.66

|heat vaporization=129

|heat capacity=26.74

|vapor pressure 1=736

|vapor pressure 10=813

|vapor pressure 100=910

|vapor pressure 1 k=1047

|vapor pressure 10 k=(1266)

|vapor pressure 100 k=(1465)

|vapor pressure comment=

|crystal structure=face-centered cubic

|crystal structure Pearson symbol=cF4

|lattice constants=a = 548.46 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=1.1

|electronegativity comment=(?)

|number of ionization energies=3

|ionization energy 1=603.4

|ionization energy 2=1174.8

|ionization energy 3=2417

|atomic radius=176

|covalent radius=187±8

|magnetic ordering=paramagnetic

|electrical resistivity unit prefix=µ

|electrical resistivity=β, poly: 0.250

|electrical resistivity comment=(at {{abbr|r.t.|room temperature}})

|thermal conductivity=38.5

|thermal expansion=

|thermal expansion comment={{val|24.31|e=−6}}/K (at 20 °C)

|speed of sound rod at 20=1590

|magnetic susceptibility= {{val|+249.0|e=−6}}

|magnetic susceptibility ref= (2928 K){{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=β form: 23.9

|Shear modulus=β form: 9.9

|Bulk modulus=β form: 30.5

|Poisson ratio=β form: 0.207

|Vickers hardness=205–250

|Brinell hardness=340–440

|CAS number=7440-64-4

|naming=after Ytterby (Sweden), where it was mined

|discovered by=Jean Charles Galissard de Marignac

|discovery date=1878

|first isolation by=Carl Auer von Welsbach

|first isolation date=1906

|QID=Q1855

}}