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Nobelium Neodymium Comparison

Nobelium
Neodymium
Neodymium Nobelium comparison


Periodic Table
Symbol
No   
Nd   
Group Number
Not Available   
1   
17
Period Number
7   
6   
Block
f block   
f block   
Element Family
Actinide   
Lanthanide   
CAS Number
10028145   
16
7440008   
99+
Space Group Name
Not Available   
P63/mmc   
Space Group Number
Not Available   
194.00   
5
Facts
Interesting Facts
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  
  • Neodymium is not found free in nature, hence it is not a native metal.
  • Neodymium metal found in minerals like Monazite and Bastnaesite.
  
Sources
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining   
Found in Minerals, Mining   
History
  
  
Who Discovered
Joint Institute for Nuclear Research   
Carl Auer von Welsbach   
Discovery
In 1966   
In 1885   
Abundance
  
  
Abundance In Universe
Not Available   
1 * 10-6 %   
16
Abundance In Sun
~-9999 %   
~0.0000003 %   
24
Abundance In Meteorites
Not Available   
0.00 %   
30
Abundance In Earth's Crust
Not Available   
0.00 %   
20
Abundance In Oceans
Not Available   
0.00 %   
30
Uses
Uses & Benefits
  • Currently known uses of Nobelium 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.
  
Industrial Uses
NA   
Aerospace Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Research Purposes   
Alloys   
Biological Properties
  
  
Toxicity
Unknown   
Non Toxic   
Present in Human Body
No   
No   
In Blood
0.00 Blood/mg dm-3   
37
Not Available   
In Bone
0.00 p.p.m.   
36
Not Available   
Physical Properties
Melting Point
827.00 °C   
99+
1,010.00 °C   
99+
Boiling Point
Not Available   
3,127.00 °C   
28
Appearance
  
  
Physical State
Solid   
Solid   
Color
Unknown   
Silvery White   
Luster
Unknown Luster   
Metallic   
Hardness
  
  
Brinell Hardness
Not Available   
265.00 MPa   
35
Vickers Hardness
Not Available   
345.00 MPa   
27
Speed of Sound
Not Available   
2,330.00 m/s   
38
Optical Properties
  
  
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
No   
Nd   
Isotopes
  
  
Known Isotopes
13   
26
30   
9
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
1.14   
99+
Allred Rochow Electronegativity
1.20   
27
1.07   
32
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
2.86   
13
Ionization Energies
  
  
1st Energy Level
642.00 kJ/mol   
99+
533.10 kJ/mol   
99+
2nd Energy Level
1,254.00 kJ/mol   
99+
1,040.00 kJ/mol   
99+
3rd Energy Level
2,643.00 kJ/mol   
99+
2,130.00 kJ/mol   
99+
4th Energy Level
3,956.00 kJ/mol   
39
3,900.00 kJ/mol   
99+
Electrochemical Equivalent
4.83 g/amp-hr   
4
1.79 g/amp-hr   
37
Electron Work Function
Not Available   
3.20 eV   
34
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Corrosion, Flammable, Ionization   
Atomic Properties
Atomic Number
102   
16
60   
99+
Electron Configuration
[Rn] 5f14 7s2   
[Xe] 4f4 6s2   
Crystal Structure
Not Known   
Double Hexagonal Close Packed (DHCP)   
Crystal Lattice
Unknown-Crystal-Structure-of-Nobelium.jpg#100   
DHCP-Crystal-Structure-of-Neodymium.jpg#100   
Atom
  
  
Number of Protons
102   
16
60   
99+
Number of Neutrons
157   
7
84   
40
Number of Electrons
102   
16
60   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
181.00 pm   
13
Covalent Radius
Not Available   
201.00 pm   
10
Van der Waals Radius
246.00 pm   
8
229.00 pm   
20
Atomic Weight
259.00 amu   
13
144.24 amu   
99+
Atomic Volume
Not Available   
20.60 cm3/mol   
18
Adjacent Atomic Numbers
  
  
Previous Element
Mendelevium
  
Praseodymium
  
Next Element
Lawrencium
  
Promethium
  
Valence Electron Potential
26.00 (-eV)   
99+
43.40 (-eV)   
99+
Lattice Constant
Not Available   
365.80 pm   
30
Lattice Angles
NA   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.61   
4
Mechanical Properties
Density
  
  
Density At Room Temperature
Not Available   
7.01 g/cm3   
99+
Density When Liquid (at m.p.)
Not Available   
6.89 g/cm3   
36
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
21
Vapor Pressure at 2000 K
Not Available   
101.00 (Pa)   
2
Elasticity properties
  
  
Shear Modulus
Not Available   
16.30 GPa   
38
Bulk Modulus
Not Available   
31.80 GPa   
37
Young's Modulus
Not Available   
41.40 GPa   
40
Poisson Ratio
Not Available   
0.28   
16
Other Mechanical Properties
Unknown   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
7.00   
99+
Magnetic Ordering
Unknown   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Unknown   
NA   
Resistivity
Not Available   
643.00 nΩ·m   
6
Electrical Conductivity
Not Available   
0.02 106/cm Ω   
99+
Electron Affinity
Not Available   
50.00 kJ/mol   
21
Thermal Properties
Specific Heat
Not Available   
0.19 J/(kg K)   
32
Molar Heat Capacity
Not Available   
27.45 J/mol·K   
17
Thermal Conductivity
Not Available   
16.50 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
9.60 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
273.00 kJ/mol   
34
Enthalpy of Fusion
Not Available   
7.14 kJ/mol   
99+
Enthalpy of Atomization
Not Available   
322.00 kJ/mol   
32
Standard Molar Entropy
Not Available   
71.50 J/mol.K   
13
Summary >>
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