Template:Infobox neodymium

Neodymium,  ₆₀Nd

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General properties
Pronunciation	Template:Infobox element/pronunciation
Appearance	silvery white
Standard atomic weight (Ar, standard)	Template:Infobox element/standard atomic weight
Mass number	Template:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Neodymium in the periodic table
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Atomic number (Z)	60
Group	Template:Infobox element/group
Period	period 6
Block	f-block
Element category	Template:Infobox element/category format
Electron configuration	[Xe] 4f4 6s2
Electrons per shell	2, 8, 18, 22, 8, 2
Physical properties
Phase at STP	solid
Melting point	1297 K ​(1024 °C, ​1875 °F)
Boiling point	3347 K ​(3074 °C, ​5565 °F)
Density (near r.t.)	7.01 g/cm3
when liquid (at m.p.)	6.89 g/cm3
Heat of fusion	7.14 kJ/mol
[[Enthalpy of vaporization|Heat of Template:Engvar]]	289 kJ/mol
Molar heat capacity	27.45 J/(mol·K)
[[Vapor pressure|Template:Engvar pressure]] Template:Infobox element/vapor pressure table
Atomic properties
Oxidation states	Template:Infobox element/symbol-to-oxidation-state
Electronegativity	Pauling scale: 1.14
[[Ionization energy|Template:Engvar energies]]	1st: 533.1 kJ/mol 2nd: 1040 kJ/mol 3rd: 2130 kJ/mol
Atomic radius	empirical: 181 pm
Covalent radius	201±6 pm
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Other properties
Crystal structure	​Template:Infobox element/crystal structure Template:Infobox element/crystal structure
Speed of sound thin rod	2330 m/s (at 20 °C)
Thermal expansion	α, poly: 9.6 µm/(m·K) (at r.t.)
Thermal conductivity	16.5 W/(m·K)
Electrical resistivity	α, poly: 643 nΩ·m
Magnetic ordering	paramagnetic, antiferromagnetic below 20 K
Magnetic susceptibility	+5628.0·10−6 cm3/mol (287.7 K)
Young's modulus	α form: 41.4 GPa
Shear modulus	α form: 16.3 GPa
Bulk modulus	α form: 31.8 GPa
Poisson ratio	α form: 0.281
Vickers hardness	345–745 MPa
Brinell hardness	265–700 MPa
CAS Number	7440-00-8
History
Discovery	Carl Auer von Welsbach (1885)
Main isotopes of neodymium
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