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Dysprosium vs Uranium

Dysprosium
Uranium
Uranium vs Dysprosium


Periodic Table
Symbol
Dy   
U   
Group Number
Not Available   
0   
18
Period Number
6   
7   
Block
f block   
f block   
Element Family
Lanthanide   
Actinide   
CAS Number
7429916   
99+
7440611   
28
Space Group Name
P63/mmc   
Cmcm   
Space Group Number
194.00   
5
63.00   
10
Facts
Interesting Facts
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Earth's crust, Mining, Ores of Minerals   
History
  
  
Who Discovered
Lecoq de Boisbaudran   
Not Available   
Discovery
In 1886   
In 1789   
Abundance
  
  
Abundance In Universe
2 * 10-7 %   
22
2 * 10-8 %   
29
Abundance In Sun
~0.0000002 %   
25
~0.0000001 %   
26
Abundance In Meteorites
0.00 %   
33
0.00 %   
99+
Abundance In Earth's Crust
0.00 %   
28
0.00 %   
36
Abundance In Oceans
0.00 %   
35
0.00 %   
11
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.
  
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
  
Industrial Uses
NA   
Ammunition Industry, Chemical Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys, Nuclear Research   
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues   
Biological Properties
  
  
Toxicity
Mildly Toxic   
Toxic   
Present in Human Body
No   
No   
Physical Properties
Melting Point
1,407.00 °C   
32
1,132.00 °C   
39
Boiling Point
2,562.00 °C   
99+
3,818.00 °C   
16
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery Gray   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
6.00   
6
Brinell Hardness
500.00 MPa   
23
2,350.00 MPa   
2
Vickers Hardness
540.00 MPa   
20
1,960.00 MPa   
2
Speed of Sound
2,710.00 m/s   
33
3,155.00 m/s   
25
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   
U   
Isotopes
  
  
Known Isotopes
29   
10
25   
14
Electronegativity
  
  
Pauling Electronegativity
1.22   
38
1.38   
28
Allred Rochow Electronegativity
1.10   
30
1.22   
26
Electropositivity
  
  
Pauling Electropositivity
2.78   
16
2.62   
26
Ionization Energies
  
  
1st Energy Level
573.00 kJ/mol   
99+
597.60 kJ/mol   
99+
2nd Energy Level
1,130.00 kJ/mol   
99+
1,420.00 kJ/mol   
99+
3rd Energy Level
2,200.00 kJ/mol   
99+
1,900.00 kJ/mol   
99+
4th Energy Level
3,990.00 kJ/mol   
37
3,145.00 kJ/mol   
99+
Electrochemical Equivalent
2.02 g/amp-hr   
29
1.48 g/amp-hr   
99+
Electron Work Function
Not Available   
3.63 eV   
30
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
66   
99+
92   
26
Electron Configuration
[Xe] 4f9 6s2   
[Rn] 5f3 6d1 7s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Orthorhombic (ORTH)   
Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100   
ORTH-Crystal-Structure-of-Uranium.jpg#100   
Atom
  
  
Number of Protons
66   
99+
92   
26
Number of Neutrons
96   
35
146   
13
Number of Electrons
66   
99+
92   
26
Radius of an Atom
  
  
Atomic Radius
178.00 pm   
16
156.00 pm   
29
Covalent Radius
192.00 pm   
17
196.00 pm   
14
Van der Waals Radius
229.00 pm   
20
186.00 pm   
33
Atomic Weight
162.50 amu   
99+
238.03 amu   
21
Atomic Volume
19.00 cm3/mol   
23
12.59 cm3/mol   
40
Adjacent Atomic Numbers
  
  
Previous Element
Terbium
  
Protactinium
  
Next Element
Holmium
  
Neptunium
  
Valence Electron Potential
47.40 (-eV)   
32
170.00 (-eV)   
4
Lattice Constant
359.30 pm   
37
295.08 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
1.57   
15
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
8.54 g/cm3   
99+
19.10 g/cm3   
17
Density When Liquid (at m.p.)
8.37 g/cm3   
25
17.30 g/cm3   
7
Tensile Strength
120.00 MPa   
15
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available   
0.01 (Pa)   
20
Elasticity properties
  
  
Shear Modulus
24.70 GPa   
31
111.00 GPa   
10
Bulk Modulus
40.50 GPa   
31
100.00 GPa   
16
Young's Modulus
61.40 GPa   
33
208.00 GPa   
10
Poisson Ratio
0.25   
25
0.23   
30
Other Mechanical Properties
Sectile   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
8.55   
38
18.80   
10
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Poor Conductor   
Resistivity
926.00 nΩ·m   
2
0.28 nΩ·m   
99+
Electrical Conductivity
0.01 106/cm Ω   
99+
0.04 106/cm Ω   
37
Electron Affinity
50.00 kJ/mol   
21
Not Available   
Thermal Properties
Specific Heat
0.17 J/(kg K)   
34
0.12 J/(kg K)   
40
Molar Heat Capacity
27.70 J/mol·K   
14
27.67 J/mol·K   
15
Thermal Conductivity
10.70 W/m·K   
99+
27.50 W/m·K   
40
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
9.90 µm/(m·K)   
40
13.90 µm/(m·K)   
27
Enthalpy
  
  
Enthalpy of Vaporization
230.00 kJ/mol   
39
477.00 kJ/mol   
13
Enthalpy of Fusion
11.05 kJ/mol   
32
15.48 kJ/mol   
19
Enthalpy of Atomization
301.00 kJ/mol   
36
489.50 kJ/mol   
14
Standard Molar Entropy
75.60 J/mol.K   
7
50.20 J/mol.K   
31
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