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Dysprosium vs Nobelium

Dysprosium
Nobelium
Nobelium vs Dysprosium


Periodic Table
Symbol
Dy   
No   
Group Number
Not Available   
Not Available   
Period Number
6   
7   
Block
f block   
f block   
Element Family
Lanthanide   
Actinide   
CAS Number
7429916   
99+
10028145   
16
Space Group Name
P63/mmc   
Not Available   
Space Group Number
194.00   
5
Not Available   
Facts
Interesting Facts
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining   
History
  
  
Who Discovered
Lecoq de Boisbaudran   
Joint Institute for Nuclear Research   
Discovery
In 1886   
In 1966   
Abundance
  
  
Abundance In Universe
2 * 10-7 %   
22
Not Available   
Abundance In Sun
~0.0000002 %   
25
~-9999 %   
Abundance In Meteorites
0.00 %   
33
Not Available   
Abundance In Earth's Crust
0.00 %   
28
Not Available   
Abundance In Oceans
0.00 %   
35
Not Available   
Uses
Uses & Benefits
  • Dysprosium metal is highly reactive due to which it pure form is not as usual as its alloy.
  • Thi metals alloy is used in magnate as it is resistance to high temperature.
  
  • Currently known uses of Nobelium metal are limited to research purpose only.
  
Industrial Uses
NA   
NA   
Medical Uses
NA   
NA   
Other Uses
Alloys, Nuclear Research   
Research Purposes   
Biological Properties
  
  
Toxicity
Mildly Toxic   
Unknown   
Present in Human Body
No   
No   
In Blood
Not Available   
0.00 Blood/mg dm-3   
37
In Bone
Not Available   
0.00 p.p.m.   
36
Physical Properties
Melting Point
1,407.00 °C   
32
827.00 °C   
99+
Boiling Point
2,562.00 °C   
99+
Not Available   
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Unknown   
Luster
Metallic   
Unknown Luster   
Hardness
  
  
Brinell Hardness
500.00 MPa   
23
Not Available   
Vickers Hardness
540.00 MPa   
20
Not Available   
Speed of Sound
2,710.00 m/s   
33
Not Available   
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
Dy   
No   
Isotopes
  
  
Known Isotopes
29   
10
13   
26
Electronegativity
  
  
Pauling Electronegativity
1.22   
38
1.30   
32
Allred Rochow Electronegativity
1.10   
30
1.20   
27
Electropositivity
  
  
Pauling Electropositivity
2.78   
16
2.70   
22
Ionization Energies
  
  
1st Energy Level
573.00 kJ/mol   
99+
642.00 kJ/mol   
99+
2nd Energy Level
1,130.00 kJ/mol   
99+
1,254.00 kJ/mol   
99+
3rd Energy Level
2,200.00 kJ/mol   
99+
2,643.00 kJ/mol   
99+
4th Energy Level
3,990.00 kJ/mol   
37
3,956.00 kJ/mol   
39
Electrochemical Equivalent
2.02 g/amp-hr   
29
4.83 g/amp-hr   
4
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
66   
99+
102   
16
Electron Configuration
[Xe] 4f9 6s2   
[Rn] 5f14 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Not Known   
Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100   
Unknown-Crystal-Structure-of-Nobelium.jpg#100   
Atom
  
  
Number of Protons
66   
99+
102   
16
Number of Neutrons
96   
35
157   
7
Number of Electrons
66   
99+
102   
16
Radius of an Atom
  
  
Atomic Radius
178.00 pm   
16
Not Available   
Covalent Radius
192.00 pm   
17
Not Available   
Van der Waals Radius
229.00 pm   
20
246.00 pm   
8
Atomic Weight
162.50 amu   
99+
259.00 amu   
13
Atomic Volume
19.00 cm3/mol   
23
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Terbium
  
Mendelevium
  
Next Element
Holmium
  
Lawrencium
  
Valence Electron Potential
47.40 (-eV)   
32
26.00 (-eV)   
99+
Lattice Constant
359.30 pm   
37
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.57   
15
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
8.54 g/cm3   
99+
Not Available   
Density When Liquid (at m.p.)
8.37 g/cm3   
25
Not Available   
Tensile Strength
120.00 MPa   
15
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Elasticity properties
  
  
Shear Modulus
24.70 GPa   
31
Not Available   
Bulk Modulus
40.50 GPa   
31
Not Available   
Young's Modulus
61.40 GPa   
33
Not Available   
Poisson Ratio
0.25   
25
Not Available   
Other Mechanical Properties
Sectile   
Unknown   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
8.55   
38
Not Available   
Magnetic Ordering
Paramagnetic   
Unknown   
Electrical Properties
  
  
Electrical Property
Conductor   
Unknown   
Resistivity
926.00 nΩ·m   
2
Not Available   
Electrical Conductivity
0.01 106/cm Ω   
99+
Not Available   
Electron Affinity
50.00 kJ/mol   
21
Not Available   
Thermal Properties
Specific Heat
0.17 J/(kg K)   
34
Not Available   
Molar Heat Capacity
27.70 J/mol·K   
14
Not Available   
Thermal Conductivity
10.70 W/m·K   
99+
Not Available   
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
9.90 µm/(m·K)   
40
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
230.00 kJ/mol   
39
Not Available   
Enthalpy of Fusion
11.05 kJ/mol   
32
Not Available   
Enthalpy of Atomization
301.00 kJ/mol   
36
Not Available   
Standard Molar Entropy
75.60 J/mol.K   
7
Not Available   
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