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Uranium vs Terbium

Uranium
Terbium
Terbium vs Uranium


Periodic Table
Symbol
U   
Tb   
Group Number
0   
18
Not Available   
Period Number
7   
6   
Block
f block   
f block   
Element Family
Actinide   
Lanthanide   
CAS Number
7440611   
28
7440279   
99+
Space Group Name
Cmcm   
P63/mmc   
Space Group Number
63.00   
10
194.00   
5
Facts
Interesting Facts
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
  • At times Terbium metal acts same as Calcium.
  • Terbium metal closely similar to Lanthanum metal.
  
Sources
Earth's crust, Mining, Ores of Minerals   
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Not Available   
Carl Gustaf Mosander   
Discovery
In 1789   
In 1842   
Abundance
  
  
Abundance In Universe
2 * 10-8 %   
29
5 * 10-8 %   
27
Abundance In Sun
~0.0000001 %   
26
~0.00000001 %   
29
Abundance In Meteorites
0.00 %   
99+
0.00 %   
99+
Abundance In Earth's Crust
0.00 %   
36
0.00 %   
40
Abundance In Oceans
0.00 %   
11
0.00 %   
99+
Uses
Uses & Benefits
  • 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.
  
  • Terbium salts are used in optical devices like laser devices.
  • Terbium’s alloy lengthens and shortens the magnetic field and this effect forms loudspeaker.
  
Industrial Uses
Ammunition Industry, Chemical Industry   
Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues   
Alloys   
Biological Properties
  
  
Toxicity
Toxic   
Low Toxic   
Present in Human Body
No   
No   
Physical Properties
Melting Point
1,132.00 °C   
39
1,356.00 °C   
33
Boiling Point
3,818.00 °C   
16
3,123.00 °C   
29
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery Gray   
Silvery White   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
6.00   
6
Not Available   
Brinell Hardness
2,350.00 MPa   
2
677.00 MPa   
17
Vickers Hardness
1,960.00 MPa   
2
863.00 MPa   
13
Speed of Sound
3,155.00 m/s   
25
2,620.00 m/s   
35
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
U   
Tb   
Isotopes
  
  
Known Isotopes
25   
14
26   
13
Electronegativity
  
  
Pauling Electronegativity
1.38   
28
Not Available   
Allred Rochow Electronegativity
1.22   
26
1.10   
30
Electropositivity
  
  
Pauling Electropositivity
2.62   
26
Not Available   
Ionization Energies
  
  
1st Energy Level
597.60 kJ/mol   
99+
603.40 kJ/mol   
99+
2nd Energy Level
1,420.00 kJ/mol   
99+
1,174.80 kJ/mol   
99+
3rd Energy Level
1,900.00 kJ/mol   
99+
2,417.00 kJ/mol   
99+
4th Energy Level
3,145.00 kJ/mol   
99+
4,203.00 kJ/mol   
31
Electrochemical Equivalent
1.48 g/amp-hr   
99+
1.98 g/amp-hr   
31
Electron Work Function
3.63 eV   
30
3.00 eV   
36
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
92   
26
65   
99+
Electron Configuration
[Rn] 5f3 6d1 7s2   
[Xe] 4f9 6s2   
Crystal Structure
Orthorhombic (ORTH)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
ORTH-Crystal-Structure-of-Uranium.jpg#100   
HCP-Crystal-Structure-of-Terbium.jpg#100   
Atom
  
  
Number of Protons
92   
26
65   
99+
Number of Neutrons
146   
13
94   
36
Number of Electrons
92   
26
65   
99+
Radius of an Atom
  
  
Atomic Radius
156.00 pm   
29
177.00 pm   
17
Covalent Radius
196.00 pm   
14
194.00 pm   
16
Van der Waals Radius
186.00 pm   
33
221.00 pm   
22
Atomic Weight
238.03 amu   
21
158.93 amu   
99+
Atomic Volume
12.59 cm3/mol   
40
19.20 cm3/mol   
22
Adjacent Atomic Numbers
  
  
Previous Element
Protactinium
  
Gadolinium
  
Next Element
Neptunium
  
Dysprosium
  
Valence Electron Potential
170.00 (-eV)   
4
46.80 (-eV)   
33
Lattice Constant
295.08 pm   
99+
360.10 pm   
36
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.58   
13
Mechanical Properties
Density
  
  
Density At Room Temperature
19.10 g/cm3   
17
8.23 g/cm3   
99+
Density When Liquid (at m.p.)
17.30 g/cm3   
7
7.65 g/cm3   
30
Tensile Strength
Not Available   
60.00 MPa   
17
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
29
Vapor Pressure at 2000 K
0.01 (Pa)   
20
12.50 (Pa)   
8
Elasticity properties
  
  
Shear Modulus
111.00 GPa   
10
22.10 GPa   
32
Bulk Modulus
100.00 GPa   
16
38.70 GPa   
33
Young's Modulus
208.00 GPa   
10
55.70 GPa   
34
Poisson Ratio
0.23   
30
0.26   
21
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
18.80   
10
8.23   
39
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Poor Conductor   
Conductor   
Resistivity
0.28 nΩ·m   
99+
1.15 nΩ·m   
99+
Electrical Conductivity
0.04 106/cm Ω   
37
0.01 106/cm Ω   
99+
Electron Affinity
Not Available   
50.00 kJ/mol   
21
Thermal Properties
Specific Heat
0.12 J/(kg K)   
40
0.18 J/(kg K)   
33
Molar Heat Capacity
27.67 J/mol·K   
15
28.91 J/mol·K   
9
Thermal Conductivity
27.50 W/m·K   
40
11.10 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
13.90 µm/(m·K)   
27
10.30 µm/(m·K)   
38
Enthalpy
  
  
Enthalpy of Vaporization
477.00 kJ/mol   
13
330.90 kJ/mol   
26
Enthalpy of Fusion
15.48 kJ/mol   
19
10.80 kJ/mol   
34
Enthalpy of Atomization
489.50 kJ/mol   
14
314.00 kJ/mol   
33
Standard Molar Entropy
50.20 J/mol.K   
31
73.20 J/mol.K   
10
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