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What is Neodymium?
Neodymium


Periodic Table
0
Symbol
Nd 0
Group Number
1 17
Period Number
6 2
Block
f block 0
Element Family
Lanthanide 0
CAS Number
7440008 78
Space Group Name
P63/mmc 0
Space Group Number
194.00 5
Facts
0
Interesting Facts
  • Neodymium is not found free in nature, hence it is not a native metal.
  • Neodymium metal found in minerals like Monazite and Bastnaesite.
0
Sources
Found in Minerals, Mining 0
History
0
Who Discovered
Carl Auer von Welsbach 0
Discovery
In 1885 0
Abundance
0
Abundance In Universe
1 * 10-6 % 16
Abundance In Sun
~0.0000003 % 24
Abundance In Meteorites
0.00 % 30
Abundance In Earth's Crust
0.00 % 20
Abundance In Oceans
0.00 % 30
Abundance In Humans
Not Available 0
Uses
0
Uses & Benefits
  • Neodymium-Iron-boron alloy is used to make permanent magnets.
  • It is used in microphones, Mp3 player, loudspeakers, mobile phones, etc.
0
Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry 0
Medical Uses
NA 0
Other Uses
Alloys 0
Biological Properties
0
Toxicity
Non Toxic 0
Present in Human Body
No 0
In Blood
Not Available 0
In Bone
Not Available 0
Physical
0
Melting Point
1,010.00 °C 44
Boiling Point
3,127.00 °C 28
Appearance
0
Physical State
Solid 0
Color
Silvery White 0
Luster
Metallic 0
Hardness
0
Mohs Hardness
Not Available 0
Brinell Hardness
265.00 MPa 35
Vickers Hardness
345.00 MPa 27
Speed of Sound
2,330.00 m/s 38
Optical Properties
0
Refractive Index
Not Available 0
Reflectivity
Not Available 0
Allotropes
No 0
α Allotropes
Not Available 0
β Allotropes
Not Available 0
γ Allotropes
Not Available 0
Chemical
0
Chemical Formula
Nd 0
Isotopes
0
Known Isotopes
30 9
Electronegativity
0
Pauling Electronegativity
1.14 41
Sanderson Electronegativity
Not Available 0
Allred Rochow Electronegativity
1.07 32
Mulliken-Jaffe Electronegativity
Not Available 0
Allen Electronegativity
Not Available 0
Electropositivity
0
Pauling Electropositivity
2.86 13
Ionization Energies
0
1st Energy Level
533.10 kJ/mol 77
2nd Energy Level
1,040.00 kJ/mol 79
3rd Energy Level
2,130.00 kJ/mol 69
4th Energy Level
3,900.00 kJ/mol 42
5th Energy Level
Not Available 0
6th Energy Level
Not Available 0
7th Energy level
Not Available 0
8th Energy Level
Not Available 0
9th Energy Level
Not Available 0
10th Energy Level
Not Available 0
11th Energy Level
Not Available 0
12th Energy Level
Not Available 0
13th Energy Level
Not Available 0
14th Energy Level
Not Available 0
15th Energy Level
Not Available 0
16th Energy Level
Not Available 0
17th Energy Level
Not Available 0
18th Energy Level
Not Available 0
19th Energy Level
Not Available 0
20th Energy Level
Not Available 0
21st Energy Level
Not Available 0
22nd Energy Level
Not Available 0
23rd Energy Level
Not Available 0
24th Energy Level
Not Available 0
25th Energy Level
Not Available 0
26th Energy Level
Not Available 0
27th Energy Level
Not Available 0
28th Energy Level
Not Available 0
29th Energy Level
Not Available 0
30th Energy Level
Not Available 0
Electrochemical Equivalent
1.79 g/amp-hr 37
Electron Work Function
3.20 eV 34
Other Chemical Properties
Chemical Stability, Corrosion, Flammable, Ionization 0
Atomic
0
Atomic Number
60 56
Electron Configuration
[Xe] 4f4 6s2 0
Crystal Structure
Double Hexagonal Close Packed (DHCP) 0
Crystal Lattice
DHCP-Crystal-Structure-of-Neodymium.jpg#100 0
Atom
0
Number of Protons
60 55
Number of Neutrons
84 40
Number of Electrons
60 55
Radius of an Atom
0
Atomic Radius
181.00 pm 13
Covalent Radius
201.00 pm 10
Van der Waals Radius
229.00 pm 20
Atomic Weight
144.24 amu 50
Atomic Volume
20.60 cm3/mol 18
Adjacent Atomic Numbers
0
Previous Element
81 0
Next Element
74 0
Valence Electron Potential
43.40 (-eV) 41
Lattice Constant
365.80 pm 30
Lattice Angles
π/2, π/2, 2 π/3 0
Lattice C/A Ratio
1.61 4
Mechanical
0
Density
0
Density At Room Temperature
7.01 g/cm3 61
Density When Liquid (at m.p.)
6.89 g/cm3 36
Tensile Strength
Not Available 0
Viscosity
Not Available 0
Vapor Pressure
0
Vapor Pressure at 1000 K
0.00 (Pa) 21
Vapor Pressure at 2000 K
101.00 (Pa) 2
Elasticity properties
0
Shear Modulus
16.30 GPa 38
Bulk Modulus
31.80 GPa 37
Young's Modulus
41.40 GPa 40
Poisson Ratio
0.28 16
Other Mechanical Properties
NA 0
Magnetic
0
Magnetic Characteristics
0
Specific Gravity
7.00 47
Magnetic Ordering
Paramagnetic 0
Permeability
Not Available 0
Susceptibility
Not Available 0
Electrical Properties
0
Electrical Property
NA 0
Resistivity
643.00 nΩ·m 6
Electrical Conductivity
0.02 106/cm Ω 48
Electron Affinity
50.00 kJ/mol 21
Thermal
0
Specific Heat
0.19 J/(kg K) 32
Molar Heat Capacity
27.45 J/mol·K 17
Thermal Conductivity
16.50 W/m·K 50
Critical Temperature
Not Available 0
Thermal Expansion
9.60 µm/(m·K) 41
Enthalpy
0
Enthalpy of Vaporization
273.00 kJ/mol 34
Enthalpy of Fusion
7.14 kJ/mol 45
Enthalpy of Atomization
322.00 kJ/mol 32
Standard Molar Entropy
71.50 J/mol.K 13
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