Encyclopedia of Geochemistry

Living Edition
| Editors: William M. White

Neodymium

  • Michael Bizimis
  • Howie D. Scher
Living reference work entry

Later version available View entry history

DOI: https://doi.org/10.1007/978-3-319-39193-9_123-1

Element Data

Atomic symbol: Nd

Atomic number: 60

Atomic weight: 144.242 g/mole

Isotopes and abundances:

Nd: 27.153 %

Nd: 12.173 %

Nd: 23.798 %

Nd: 8.293 %

Nd: 17.189 %

Nd: 5.756 %

Nd: 5.638 %

1 atm melting point: 1294 K

1 atm boiling point: 3347 K

Common valences: 3+

Ionic radii: 112 pm (eightfold coordination)

Pauling electronegativity: 1.14

First ionization potential: 5.5250 eV

Chondritic (CI) abundance: 0.475 ppm

Silicate Earth abundance: 1.25 ppm

Crustal abundance: 20 ppm

Seawater abundance: 2–60 pmol/kg

Core abundance: ~0

Properties

Neodymium (Nd) is a silvery-white-yellow metal with an atomic number (Z) of 60, electronic configuration of [Xe]4f46s2, and atomic weight of 144.242(3) (Meija et al., 2016a, b). It is a group IIIB inner transition element and one of the lanthanide and rare-earth elements. Neodymium is a refractory element , with a melting point of 1294 K, boiling point of 3347 K, and density of 7.01 g/cm3. It is a lithophile element under the Goldschmidt...

Keywords

Continental Crust Carbon Capture Primitive Mantle Light Rare Earth Solar Nebular 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  1. 1.Earth and Ocean SciencesUniversity of South CarolinaColumbiaUSA