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Lutetium Dysprosium Comparison

Lutetium
Dysprosium
Dysprosium Lutetium comparison


Periodic Table
Symbol
Lu   
Dy   
Group Number
Not Available   
Not Available   
Period Number
6   
6   
Block
f block   
f block   
Element Family
Lanthanide   
Lanthanide   
CAS Number
7439943   
99+
7429916   
99+
Space Group Name
P63/mmc   
P63/mmc   
Space Group Number
194.00   
5
194.00   
5
Facts
Interesting Facts
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
  
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Georges Urbain and Carl Auer von Welsbach   
Lecoq de Boisbaudran   
Discovery
In 1906   
In 1886   
Abundance
  
  
Abundance In Universe
1 * 10-8 %   
30
2 * 10-7 %   
22
Abundance In Sun
~0.0000001 %   
26
~0.0000002 %   
25
Abundance In Meteorites
0.00 %   
99+
0.00 %   
33
Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
28
Abundance In Oceans
0.00 %   
99+
0.00 %   
35
Uses
Uses & Benefits
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  
  • 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.
  
Industrial Uses
NA   
NA   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys, Nuclear Research   
Biological Properties
  
  
Toxicity
Low Toxic   
Mildly Toxic   
Present in Human Body
No   
No   
Physical Properties
Melting Point
1,652.00 °C   
19
1,407.00 °C   
32
Boiling Point
3,402.00 °C   
19
2,562.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
Metallic   
Metallic   
Hardness
  
  
Brinell Hardness
893.00 MPa   
10
500.00 MPa   
23
Vickers Hardness
1,160.00 MPa   
8
540.00 MPa   
20
Speed of Sound
Not Available   
2,710.00 m/s   
33
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
Lu   
Dy   
Isotopes
  
  
Known Isotopes
35   
4
29   
10
Electronegativity
  
  
Pauling Electronegativity
1.27   
34
1.22   
38
Allred Rochow Electronegativity
1.14   
28
1.10   
30
Electropositivity
  
  
Pauling Electropositivity
2.73   
20
2.78   
16
Ionization Energies
  
  
1st Energy Level
523.50 kJ/mol   
99+
573.00 kJ/mol   
99+
2nd Energy Level
1,340.00 kJ/mol   
99+
1,130.00 kJ/mol   
99+
3rd Energy Level
2,022.30 kJ/mol   
99+
2,200.00 kJ/mol   
99+
4th Energy Level
4,370.00 kJ/mol   
28
3,990.00 kJ/mol   
37
5th Energy Level
6,445.00 kJ/mol   
21
Not Available   
Electrochemical Equivalent
2.18 g/amp-hr   
23
2.02 g/amp-hr   
29
Electron Work Function
3.30 eV   
33
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
71   
99+
66   
99+
Electron Configuration
[Xe] 6s2 4f14 5d1   
[Xe] 4f9 6s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Dysprosium.jpg#100   
Atom
  
  
Number of Protons
71   
99+
66   
99+
Number of Neutrons
104   
30
96   
35
Number of Electrons
71   
99+
66   
99+
Radius of an Atom
  
  
Atomic Radius
174.00 pm   
20
178.00 pm   
16
Covalent Radius
187.00 pm   
20
192.00 pm   
17
Van der Waals Radius
221.00 pm   
22
229.00 pm   
20
Atomic Weight
174.97 amu   
40
162.50 amu   
99+
Atomic Volume
17.78 cm3/mol   
30
19.00 cm3/mol   
23
Adjacent Atomic Numbers
  
  
Previous Element
Ytterbium
  
Terbium
  
Next Element
Hafnium
  
Holmium
  
Valence Electron Potential
50.90 (-eV)   
26
47.40 (-eV)   
32
Lattice Constant
350.31 pm   
99+
359.30 pm   
37
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.59   
10
1.57   
15
Mechanical Properties
Density
  
  
Density At Room Temperature
9.84 g/cm3   
38
8.54 g/cm3   
99+
Density When Liquid (at m.p.)
9.30 g/cm3   
22
8.37 g/cm3   
25
Tensile Strength
Not Available   
120.00 MPa   
15
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
33
Not Available   
Vapor Pressure at 2000 K
3.18 (Pa)   
11
Not Available   
Elasticity properties
  
  
Shear Modulus
27.20 GPa   
26
24.70 GPa   
31
Bulk Modulus
47.60 GPa   
23
40.50 GPa   
31
Young's Modulus
68.60 GPa   
30
61.40 GPa   
33
Poisson Ratio
0.26   
21
0.25   
25
Other Mechanical Properties
NA   
Sectile   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
9.84   
29
8.55   
38
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
582.00 nΩ·m   
9
926.00 nΩ·m   
2
Electrical Conductivity
0.02 106/cm Ω   
99+
0.01 106/cm Ω   
99+
Electron Affinity
50.00 kJ/mol   
21
50.00 kJ/mol   
21
Thermal Properties
Specific Heat
0.15 J/(kg K)   
36
0.17 J/(kg K)   
34
Molar Heat Capacity
26.86 J/mol·K   
24
27.70 J/mol·K   
14
Thermal Conductivity
16.40 W/m·K   
99+
10.70 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
9.90 µm/(m·K)   
40
9.90 µm/(m·K)   
40
Enthalpy
  
  
Enthalpy of Vaporization
355.90 kJ/mol   
22
230.00 kJ/mol   
39
Enthalpy of Fusion
18.70 kJ/mol   
13
11.05 kJ/mol   
32
Enthalpy of Atomization
398.00 kJ/mol   
20
301.00 kJ/mol   
36
Standard Molar Entropy
51.00 J/mol.K   
30
75.60 J/mol.K   
7
Summary >>
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