1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
1.6 CAS Number
74400087440348
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 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.
Not Available
2.2 Sources
Found in Minerals, Mining
Obtained by Treating Radium with Neutrons, Ores of metals
2.4 History
2.4.1 Who Discovered
Carl Auer von Welsbach
Friedrich Oskar Giesel
2.4.2 Discovery
2.5 Abundance
2.5.1 Abundance In Universe
2.5.2 Abundance In Sun
~0.0000003 %~-9999 %
1E-08
0.1
2.6.1 Abundance In Meteorites
2.9.1 Abundance In Earth's Crust
2.11.1 Abundance In Oceans
3.2.1 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Neodymium-Iron-boron alloy is used to make permanent magnets.
- It is used in microphones, Mp3 player, loudspeakers, mobile phones, etc.
- Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
4.1.1 Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry
NA
4.1.2 Medical Uses
4.1.3 Other Uses
Alloys
Alloys, Nuclear Research, Research Purposes
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
NA0.00 Blood/mg dm-3
0
1970
4.2.5 In Bone
5 Physical
5.1 Melting Point
1,010.00 °C1,227.00 °C
27
3410
5.2 Boiling Point
3,127.00 °C3,200.00 °C
147
5660
5.3 Appearance
5.3.1 Physical State
5.3.2 Color
Silvery White
Silvery White
5.3.4 Luster
5.4 Hardness
5.4.1 Mohs Hardness
5.4.3 Brinell Hardness
6.2.4 Vickers Hardness
6.3 Speed of Sound
7.2 Optical Properties
7.2.1 Refractive Index
7.2.2 Reflectivity
7.4 Allotropes
7.4.1 α Allotropes
Not Available
Not Available
7.4.2 β Allotropes
Not Available
Not Available
7.4.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.5 Electronegativity
8.5.1 Pauling Electronegativity
8.5.2 Sanderson Electronegativity
8.5.4 Allred Rochow Electronegativity
8.5.6 Mulliken-Jaffe Electronegativity
8.6.1 Allen Electronegativity
8.7 Electropositivity
8.7.1 Pauling Electropositivity
8.9 Ionization Energies
8.9.1 1st Energy Level
533.10 kJ/mol499.00 kJ/mol
375.7
26130
8.9.3 2nd Energy Level
1,040.00 kJ/mol1,170.00 kJ/mol
710.2162
28750
9.2.2 3rd Energy Level
2,130.00 kJ/mol1,900.00 kJ/mol
1600
34230
9.3.2 4th Energy Level
3,900.00 kJ/mol4,700.00 kJ/mol
2780
37066
9.3.3 5th Energy Level
9.3.5 6th Energy Level
9.3.7 7th Energy level
9.3.9 8th Energy Level
9.3.11 9th Energy Level
9.3.12 10th Energy Level
9.4.2 11th Energy Level
9.5.2 12th Energy Level
9.5.4 13th Energy Level
9.5.6 14th Energy Level
9.5.8 15th Energy Level
9.5.9 16th Energy Level
9.5.11 17th Energy Level
9.5.13 18th Energy Level
9.5.15 19th Energy Level
9.5.17 20th Energy Level
9.5.19 21st Energy Level
9.5.20 22nd Energy Level
9.5.22 23rd Energy Level
9.5.23 24th Energy Level
9.5.25 25th Energy Level
9.5.27 26th Energy Level
9.5.28 27th Energy Level
9.5.30 28th Energy Level
9.5.31 29th Energy Level
9.5.33 30th Energy Level
9.6 Electrochemical Equivalent
1.79 g/amp-hr2.82 g/amp-hr
0.16812
8.3209
9.7 Electron Work Function
9.8 Other Chemical Properties
Chemical Stability, Corrosion, Flammable, Ionization
Ionization, Radioactive Isotopes, Radioactivity, Solubility
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Xe] 4f4 6s2
[Rn] 6d1 7s2
10.3 Crystal Structure
Double Hexagonal Close Packed (DHCP)
Face Centered Cubic (FCC)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.4.4 Number of Neutrons
10.4.6 Number of Electrons
10.5 Radius of an Atom
10.5.1 Atomic Radius
181.00 pm195.00 pm
112
265
10.5.3 Covalent Radius
10.5.5 Van der Waals Radius
10.6 Atomic Weight
144.24 amu227.00 amu
6.94
294
10.7 Atomic Volume
20.60 cm3/mol22.54 cm3/mol
1.39
71.07
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
43.40 (-eV)38.60 (-eV)
8
392.42
10.11 Lattice Constant
365.80 pm567.00 pm
228.58
891.25
10.13 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
10.14 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
7.01 g/cm310.00 g/cm3
0.534
40.7
12.1.1 Density When Liquid (at m.p.)
12.5 Tensile Strength
12.6 Viscosity
12.7 Vapor Pressure
12.7.1 Vapor Pressure at 1000 K
12.7.3 Vapor Pressure at 2000 K
101.00 (Pa)NA
2.62E-10
774
12.9 Elasticity properties
12.9.1 Shear Modulus
12.9.3 Bulk Modulus
12.9.5 Young's Modulus
12.11 Poisson Ratio
12.13 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.3.1 Magnetic Ordering
Paramagnetic
Paramagnetic
13.3.2 Permeability
13.3.3 Susceptibility
13.5 Electrical Properties
13.5.1 Electrical Property
13.5.2 Resistivity
13.7.1 Electrical Conductivity
0.02 106/cm ΩNA
0.00666
0.63
14.1.2 Electron Affinity
15 Thermal
15.1 Specific Heat
0.19 J/(kg K)0.12 J/(kg K)
0.11
3.6
15.3 Molar Heat Capacity
27.45 J/mol·K27.20 J/mol·K
16.443
62.7
15.6 Thermal Conductivity
16.50 W/m·K12.00 W/m·K
6.3
429
15.7 Critical Temperature
15.9 Thermal Expansion
15.10 Enthalpy
15.10.1 Enthalpy of Vaporization
273.00 kJ/molNA
7.32
799.1
15.10.3 Enthalpy of Fusion
15.10.5 Enthalpy of Atomization
322.00 kJ/mol301.00 kJ/mol
61.5
837
15.12 Standard Molar Entropy
71.50 J/mol.K56.50 J/mol.K
9.5
198.1