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Terbium Livermorium Comparison

Terbium
Livermorium
Livermorium Terbium comparison


Periodic Table
Symbol
Tb   
Lv   
Group Number
Not Available   
16   
2
Period Number
6   
7   
Block
f block   
p block   
Element Family
Lanthanide   
Probably Post-​Transition   
CAS Number
7440279   
99+
54100719   
3
Space Group Name
P63/mmc   
Not Available   
Space Group Number
194.00   
5
Not Available   
Facts
Interesting Facts
  • At times Terbium metal acts same as Calcium.
  • Terbium metal closely similar to Lanthanum metal.
  
Not Available   
Sources
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals   
Synthetically Produced   
History
  
  
Who Discovered
Carl Gustaf Mosander   
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory   
Discovery
In 1842   
In 2000   
Abundance
  
  
Abundance In Universe
5 * 10-8 %   
27
Not Available   
Abundance In Sun
~0.00000001 %   
29
~-9999 %   
Abundance In Meteorites
0.00 %   
99+
Not Available   
Abundance In Earth's Crust
0.00 %   
40
Not Available   
Abundance In Oceans
0.00 %   
99+
Not Available   
Uses
Uses & Benefits
  • Terbium salts are used in optical devices like laser devices.
  • Terbium’s alloy lengthens and shortens the magnetic field and this effect forms loudspeaker.
  
  • Currently known uses of Livermorium metal are limited to research purpose only.
  
Industrial Uses
Electronic Industry   
NA   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Research Purposes   
Biological Properties
  
  
Toxicity
Low Toxic   
Unknown   
Present in Human Body
No   
No   
Physical Properties
Melting Point
1,356.00 °C   
33
Not Available   
Boiling Point
3,123.00 °C   
29
Not Available   
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Unknown   
Luster
Metallic   
Unknown Luster   
Hardness
  
  
Brinell Hardness
677.00 MPa   
17
Not Available   
Vickers Hardness
863.00 MPa   
13
Not Available   
Speed of Sound
2,620.00 m/s   
35
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
Tb   
Lv   
Isotopes
  
  
Known Isotopes
26   
13
5   
32
Electronegativity
  
  
Allred Rochow Electronegativity
1.10   
30
Not Available   
Electropositivity
  
  
Ionization Energies
  
  
1st Energy Level
603.40 kJ/mol   
99+
723.60 kJ/mol   
28
2nd Energy Level
1,174.80 kJ/mol   
99+
1,331.50 kJ/mol   
99+
3rd Energy Level
2,417.00 kJ/mol   
99+
2,846.30 kJ/mol   
34
4th Energy Level
4,203.00 kJ/mol   
31
3,811.20 kJ/mol   
99+
5th Energy Level
Not Available   
6,078.60 kJ/mol   
24
Electrochemical Equivalent
1.98 g/amp-hr   
31
Not Available   
Electron Work Function
3.00 eV   
36
Not Available   
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Ionization   
Atomic Properties
Atomic Number
65   
99+
116   
2
Electron Configuration
[Xe] 4f9 6s2   
[Rn] 5f14 6d10 7s2 7p4   
Crystal Structure
Hexagonal Close Packed (HCP)   
Not Known   
Crystal Lattice
HCP-Crystal-Structure-of-Terbium.jpg#100   
Unknown-Crystal-Structure-of-Livermorium.jpg#100   
Atom
  
  
Number of Protons
65   
99+
116   
2
Number of Neutrons
94   
36
160   
4
Number of Electrons
65   
99+
116   
2
Radius of an Atom
  
  
Atomic Radius
177.00 pm   
17
Not Available   
Covalent Radius
194.00 pm   
16
Not Available   
Van der Waals Radius
221.00 pm   
22
Not Available   
Atomic Weight
158.93 amu   
99+
293.00 amu   
2
Atomic Volume
19.20 cm3/mol   
22
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Gadolinium
  
Moscovium
  
Next Element
Dysprosium
  
No Next Element   
Valence Electron Potential
46.80 (-eV)   
33
Not Available   
Lattice Constant
360.10 pm   
36
Not Available   
Lattice Angles
π/2, π/2, 2 π/3   
NA   
Lattice C/A Ratio
1.58   
13
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
8.23 g/cm3   
99+
Not Available   
Density When Liquid (at m.p.)
7.65 g/cm3   
30
Not Available   
Tensile Strength
60.00 MPa   
17
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
29
Not Available   
Vapor Pressure at 2000 K
12.50 (Pa)   
8
Not Available   
Elasticity properties
  
  
Shear Modulus
22.10 GPa   
32
Not Available   
Bulk Modulus
38.70 GPa   
33
Not Available   
Young's Modulus
55.70 GPa   
34
Not Available   
Poisson Ratio
0.26   
21
Not Available   
Other Mechanical Properties
Ductile, Malleable   
Unknown   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
8.23   
39
Not Available   
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Unknown   
Resistivity
1.15 nΩ·m   
99+
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
0.18 J/(kg K)   
33
Not Available   
Molar Heat Capacity
28.91 J/mol·K   
9
Not Available   
Thermal Conductivity
11.10 W/m·K   
99+
Not Available   
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
10.30 µm/(m·K)   
38
Not Available   
Enthalpy
  
  
Enthalpy of Vaporization
330.90 kJ/mol   
26
Not Available   
Enthalpy of Fusion
10.80 kJ/mol   
34
Not Available   
Enthalpy of Atomization
314.00 kJ/mol   
33
Not Available   
Standard Molar Entropy
73.20 J/mol.K   
10
Not Available   
Summary >>
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