>Headbomb: Restored revision 1217018685 by MadeOfAtoms (talk): Unexplained and unsourced alteration

2025-02-19T10:06:27Z

Restored revision 1217018685 by MadeOfAtoms (talk): Unexplained and unsourced alteration

New page

{{Infobox element
|symbol =Nd
|Z =60
|number =60
|name =neodymium
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[praseodymium]]
|right=[[promethium]]
|above=–
|below=[[uranium|U]]
|image name=Neodymium2.jpg
|appearance=silvery white
|electrons per shell=2, 8, 18, 22, 8, 2
|phase=
|density=7.007 g/cm3 <ref name="Arblaster 2018" />
|density conditions=(at 20° C)
|density gpcm3nrt=
|density gpcm3mp=6.89
|melting point K=1295
|melting point C=1022
|melting point F=1872
|melting point ref=<ref name="Arblaster 2018" />
|boiling point K=3347
|boiling point C=3074
|boiling point F=5565
|heat fusion=7.14
|heat vaporization=289
|heat capacity=27.45
|vapor pressure 1=1595
|vapor pressure 10=1774
|vapor pressure 100=1998
|vapor pressure 1 k= (2296)
|vapor pressure 10 k= (2715)
|vapor pressure 100 k= (3336)
|vapor pressure comment=
|crystal structure=double hexagonal close packed
|crystal structure Pearson symbol=hP4
|lattice constants=''a'' = 0.36583 nm ''c'' = 1.17968 nm (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=1.14
|number of ionization energies=3
|ionization energy 1=533.1
|ionization energy 2=1040
|ionization energy 3=2130
|atomic radius=181
|covalent radius=201±6
|magnetic ordering=[[paramagnetic]], [[antiferromagnetic]] below 20 K<ref>{{cite book |last=Gschneidner |first=K. A. |last2=Eyring |first2=L. |title=Handbook on the Physics and Chemistry of Rare Earths |publisher=North Holland |location=Amsterdam |year=1978 |isbn=0444850228 }}</ref>
|electrical resistivity unit prefix=n
|electrical resistivity=poly: 643
|electrical resistivity comment=
|thermal conductivity=16.5
|thermal expansion=
|thermal expansion comment={{val|6.7|e=−6}}/K (at 20 °C)<ref name="Arblaster 2018" />{{efn|text=The thermal expansion is [[Anisotropy|anisotropic]]: the parameters (at 20 °C) for each crystal axis are α''a'' = {{val|4.8|e=−6}}/K, α''c'' = {{val|10.5|e=−6}}/K, and αaverage = αV/3 = {{val|6.7|e=−6}}/K.<ref name="Arblaster 2018" />}}
|speed of sound rod at 20=2330
|magnetic susceptibility= {{val|+5628.0|e=−6}}
|magnetic susceptibility ref= (287.7 K)<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=41.4
|Shear modulus=16.3
|Bulk modulus=31.8
|Poisson ratio=0.281
|Vickers hardness=345–745
|Brinell hardness=265–700
|CAS number=7440-00-8
|discovered by=[[Carl Gustaf Mosander]]
|discovery date=1841
|first isolation by=[[Carl Auer von Welsbach]]
|first isolation date=1885
|named by=Carl Auer von Welsbach
|named date=1885
|QID=Q1388
}}<noinclude>
{{Infobox element/element navigation|symbol=Nd}}
==Notes==
{{Notelist}}
{{Template reference list}}
{{documentation|1=Template:Infobox element/doc}}
</noinclude>

Template:Infobox neodymium - Revision history

>Headbomb: Restored revision 1217018685 by MadeOfAtoms (talk): Unexplained and unsourced alteration