1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Transition Metal
Lanthanide
1.6 CAS Number
540842637440008
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
Not Available
- Neodymium is not found free in nature, hence it is not a native metal.
- Neodymium metal found in minerals like Monazite and Bastnaesite.
2.2 Sources
Synthetically Produced
Found in Minerals, Mining
2.3 History
2.3.1 Who Discovered
Gesellschaft für Schwerionenforschung
Carl Auer von Welsbach
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
1.2.1 Abundance In Sun
~-9999 %~0.0000003 %
1E-08
0.1
1.3.1 Abundance In Meteorites
1.6.1 Abundance In Earth's Crust
1.8.1 Abundance In Oceans
1.8.2 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- Currently known uses of Copernicium metal are limited to research purpose only.
- Neodymium-Iron-boron alloy is used to make permanent magnets.
- It is used in microphones, Mp3 player, loudspeakers, mobile phones, etc.
3.1.1 Industrial Uses
NA
Aerospace Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
3.1.3 Other Uses
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
3.2.5 In Bone
4 Physical
4.1 Melting Point
4.2 Boiling Point
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.3 Brinell Hardness
5.2.4 Vickers Hardness
5.3 Speed of Sound
6.2 Optical Properties
6.2.1 Refractive Index
6.3.1 Reflectivity
1.2 Allotropes
1.3.1 α Allotropes
Not Available
Not Available
1.3.2 β Allotropes
Not Available
Not Available
1.3.3 γ Allotropes
Not Available
Not Available
2 Chemical
2.1 Chemical Formula
2.2 Isotopes
2.2.1 Known Isotopes
2.5 Electronegativity
2.5.1 Pauling Electronegativity
2.6.2 Sanderson Electronegativity
1.2.1 Allred Rochow Electronegativity
1.5.1 Mulliken-Jaffe Electronegativity
2.5.2 Allen Electronegativity
2.9 Electropositivity
2.9.1 Pauling Electropositivity
3.4 Ionization Energies
3.4.1 1st Energy Level
1,154.90 kJ/mol533.10 kJ/mol
375.7
26130
4.2.1 2nd Energy Level
2,170.00 kJ/mol1,040.00 kJ/mol
710.2162
28750
4.4.3 3rd Energy Level
4,245.40 kJ/mol2,130.00 kJ/mol
1600
34230
4.4.7 4th Energy Level
5,499.70 kJ/mol3,900.00 kJ/mol
2780
37066
4.4.11 5th Energy Level
5.2.5 6th Energy Level
5.2.8 7th Energy level
6.1.2 8th Energy Level
7.2.4 9th Energy Level
7.4.2 10th Energy Level
8.1.1 11th Energy Level
8.1.4 12th Energy Level
8.3.1 13th Energy Level
8.3.4 14th Energy Level
8.4.3 15th Energy Level
8.6.4 16th Energy Level
9.2.2 17th Energy Level
9.3.5 18th Energy Level
9.3.10 19th Energy Level
9.3.14 20th Energy Level
9.4.3 21st Energy Level
9.5.3 22nd Energy Level
9.7.4 23rd Energy Level
9.7.9 24th Energy Level
10.2.2 25th Energy Level
10.2.7 26th Energy Level
10.2.11 27th Energy Level
10.3.6 28th Energy Level
10.4.3 29th Energy Level
10.5.2 30th Energy Level
11.2 Electrochemical Equivalent
NA1.79 g/amp-hr
0.16812
8.3209
11.6 Electron Work Function
11.7 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Chemical Stability, Corrosion, Flammable, Ionization
12 Atomic
12.1 Atomic Number
12.3 Electron Configuration
[Rn] 5f14 6d10 7s2
[Xe] 4f4 6s2
12.4 Crystal Structure
Hexagonal Close Packed (HCP)
Double Hexagonal Close Packed (DHCP)
12.4.1 Crystal Lattice
12.5 Atom
12.5.1 Number of Protons
12.9.1 Number of Neutrons
12.12.2 Number of Electrons
13.2 Radius of an Atom
13.2.1 Atomic Radius
147.00 pm181.00 pm
112
265
13.3.1 Covalent Radius
122.00 pm201.00 pm
96
260
13.6.1 Van der Waals Radius
14.2 Atomic Weight
285.00 amu144.24 amu
6.94
294
14.7 Atomic Volume
NA20.60 cm3/mol
1.39
71.07
14.10 Adjacent Atomic Numbers
14.10.1 Previous Element
14.10.2 Next Element
14.11 Valence Electron Potential
15.2 Lattice Constant
NA365.80 pm
228.58
891.25
15.6 Lattice Angles
15.7 Lattice C/A Ratio
16 Mechanical
16.1 Density
16.1.1 Density At Room Temperature
23.70 g/cm37.01 g/cm3
0.534
40.7
16.4.1 Density When Liquid (at m.p.)
18.4 Tensile Strength
18.8 Viscosity
18.11 Vapor Pressure
18.11.1 Vapor Pressure at 1000 K
18.13.2 Vapor Pressure at 2000 K
NA101.00 (Pa)
2.62E-10
774
18.14 Elasticity properties
18.14.1 Shear Modulus
18.16.1 Bulk Modulus
19.1.5 Young's Modulus
19.2 Poisson Ratio
19.4 Other Mechanical Properties
20 Magnetic
20.1 Magnetic Characteristics
20.1.1 Specific Gravity
20.1.4 Magnetic Ordering
20.1.5 Permeability
20.1.8 Susceptibility
20.2 Electrical Properties
20.2.1 Electrical Property
20.2.2 Resistivity
21.1.2 Electrical Conductivity
NA0.02 106/cm Ω
0.00666
0.63
21.2.2 Electron Affinity
22 Thermal
22.1 Specific Heat
22.3 Molar Heat Capacity
NA27.45 J/mol·K
16.443
62.7
22.6 Thermal Conductivity
22.8 Critical Temperature
22.10 Thermal Expansion
23.2 Enthalpy
23.2.1 Enthalpy of Vaporization
NA273.00 kJ/mol
7.32
799.1
23.6.1 Enthalpy of Fusion
23.6.3 Enthalpy of Atomization
23.7 Standard Molar Entropy
NA71.50 J/mol.K
9.5
198.1