Template:Infobox neodymium

From blackwiki
Jump to navigation Jump to search

[[Category:Template:Pagetype with short description]]

Neodymium, 60Nd
Neodymium2.jpg
Neodymium
Pronunciation/ˌnˈdɪmiəm/ (Template:Respell)
Appearancesilvery white
Standard atomic weight Ar, std(Nd)Template:Val[1]
Neodymium in the periodic table
Template:Periodic table (32 columns, micro)

Nd

U
praseodymiumneodymiumpromethium
Atomic number (Z)60
Groupgroup n/a
Periodperiod 6
Block  f-block
Electron configuration[Xe] 4f4 6s2
Electrons per shell2, 8, 18, 22, 8, 2
Physical properties
Phase at STPsolid
Melting point1297 K ​(1024 °C, ​1875 °F)
Boiling point3347 K ​(3074 °C, ​5565 °F)
Density (near r.t.)7.01 g/cm3
when liquid (at m.p.)6.89 g/cm3
Heat of fusion7.14 kJ/mol
Heat of vaporization289 kJ/mol
Molar heat capacity27.45 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1595 1774 1998 (2296) (2715) (3336)
Atomic properties
Oxidation states0,[2] +2, +3, +4 (a mildly basic oxide)
ElectronegativityPauling scale: 1.14
Ionization energies
  • 1st: 533.1 kJ/mol
  • 2nd: 1040 kJ/mol
  • 3rd: 2130 kJ/mol
Atomic radiusempirical: 181 pm
Covalent radius201±6 pm
Color lines in a spectral range
Spectral lines of neodymium
Other properties
Natural occurrenceprimordial
Crystal structuredouble hexagonal close-packed (dhcp)
Double hexagonal close packed crystal structure for neodymium
Speed of sound thin rod2330 m/s (at 20 °C)
Thermal expansionα, poly: 9.6 µm/(m·K) (at r.t.)
Thermal conductivity16.5 W/(m·K)
Electrical resistivityα, poly: 643 nΩ·m
Magnetic orderingparamagnetic, antiferromagnetic below 20 K[3]
Magnetic susceptibility+5628.0·10−6 cm3/mol (287.7 K)[4]
Young's modulusα form: 41.4 GPa
Shear modulusα form: 16.3 GPa
Bulk modulusα form: 31.8 GPa
Poisson ratioα form: 0.281
Vickers hardness345–745 MPa
Brinell hardness265–700 MPa
CAS Number7440-00-8
History
DiscoveryCarl Auer von Welsbach (1885)
Main isotopes of neodymium
[[Isotope|IsoTemplate:Shytope]] [[Natural abundance|AbunTemplate:Shydance]] Half-life (t1/2) Decay mode [[Decay product|ProTemplate:Shyduct]]
142Nd 27.2% stable
143Nd 12.2% stable
144Nd 23.8% 2.29×1015 y α 140Ce
145Nd 8.3% stable
146Nd 17.2% stable
148Nd 5.8% 2.7×1018 y ββ 148Sm
150Nd 5.6% 21×1018 y ββ 150Sm
Category Category: Neodymium
| references

[[Category:Infobox templates|Template:Remove first word]]

data m.p. cat
in calc from C diff report ref
C 1024
K 1297 1297 0
F 1875 1875 0 Template:Subpage other
max precision 0
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 1024, K: 1297, F: 1875
comment
data b.p. cat
in calc from C diff report ref
C 3074
K 3347 3347 0
F 5565 5565 0 Template:Subpage other
max precision 0
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 3074, K: 3347, F: 5565
comment
Pr ←

i'box Pr

iso
60
Nd (E)
→ Pm

i'box Pm

  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Category (enwiki)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Term symbol * (cmt, ref)
Wikidata *
* Not used in {{Infobox element}} (2019-02-03)
See also {{Infobox element/symbol-to--navbox}}

References

  1. Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
  2. Yttrium and all lanthanides except Ce and Pm have been observed in the oxidation state 0 in bis(1,3,5-tri-t-butylbenzene) complexes, see Cloke, F. Geoffrey N. (1993). "Zero Oxidation State Compounds of Scandium, Yttrium, and the Lanthanides". Chem. Soc. Rev. 22: 17–24. doi:10.1039/CS9932200017. and Arnold, Polly L.; Petrukhina, Marina A.; Bochenkov, Vladimir E.; Shabatina, Tatyana I.; Zagorskii, Vyacheslav V.; Cloke (2003-12-15). "Arene complexation of Sm, Eu, Tm and Yb atoms: a variable temperature spectroscopic investigation". Journal of Organometallic Chemistry. 688 (1–2): 49–55. doi:10.1016/j.jorganchem.2003.08.028.
  3. Gschneidner, K. A.; Eyring, L. (1978). Handbook on the Physics and Chemistry of Rare Earths. Amsterdam: North Holland. ISBN 0444850228.
  4. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.

Lua error: Internal error: The interpreter has terminated with signal "24".