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Livermorium vs Erbium

Livermorium
Erbium
Erbium vs Livermorium


Periodic Table
Symbol
Lv   
Er   
Group Number
16   
2
Not Available   
Period Number
7   
6   
Block
p block   
f block   
Element Family
Probably Post-​Transition   
Lanthanide   
CAS Number
54100719   
3
7440520   
35
Space Group Name
Not Available   
P63/mmc   
Space Group Number
Not Available   
194.00   
5
Facts
Interesting Facts
Not Available   
  • Erbium metal is used as alloyed with Vanadium to make it softer.
  • Recent studies shows that it is helpful for metabolism.
  
Sources
Synthetically Produced   
Mining   
History
  
  
Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory   
Carl Gustaf Mosander   
Discovery
In 2000   
In 1842   
Abundance
  
  
Abundance In Universe
Not Available   
2 * 10-7 %   
22
Abundance In Sun
~-9999 %   
~0.0000001 %   
26
Abundance In Meteorites
Not Available   
0.00 %   
36
Abundance In Earth's Crust
Not Available   
0.00 %   
32
Abundance In Oceans
Not Available   
0.00 %   
36
Uses
Uses & Benefits
  • Currently known uses of Livermorium metal are limited to research purpose only.
  
  • It has a tendency to get tarnished in the open air, but when alloyed with elements like erbium, vanadium, its hardness levels decreases.
  • Its compounds like Erbium oxide is used in safety glasses of welders and metal workers.
  
Industrial Uses
NA   
Chemical Industry   
Medical Uses
NA   
NA   
Other Uses
Research Purposes   
Alloys   
Biological Properties
  
  
Toxicity
Unknown   
Mildly Toxic   
Present in Human Body
No   
No   
Physical Properties
Melting Point
Not Available   
1,522.00 °C   
28
Boiling Point
Not Available   
2,510.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Unknown   
Silvery White   
Luster
Unknown Luster   
Lustrous   
Hardness
  
  
Brinell Hardness
Not Available   
814.00 MPa   
11
Vickers Hardness
Not Available   
589.00 MPa   
19
Speed of Sound
Not Available   
2,830.00 m/s   
28
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
Lv   
Er   
Isotopes
  
  
Known Isotopes
5   
32
31   
8
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.24   
36
Allred Rochow Electronegativity
Not Available   
1.11   
29
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.76   
18
Ionization Energies
  
  
1st Energy Level
723.60 kJ/mol   
28
589.30 kJ/mol   
99+
2nd Energy Level
1,331.50 kJ/mol   
99+
1,150.00 kJ/mol   
99+
3rd Energy Level
2,846.30 kJ/mol   
34
2,194.00 kJ/mol   
99+
4th Energy Level
3,811.20 kJ/mol   
99+
4,120.00 kJ/mol   
33
5th Energy Level
6,078.60 kJ/mol   
24
Not Available   
Electrochemical Equivalent
Not Available   
2.08 g/amp-hr   
28
Electron Work Function
Not Available   
Not Available   
Other Chemical Properties
Chemical Stability, Ionization   
Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
116   
2
68   
99+
Electron Configuration
[Rn] 5f14 6d10 7s2 7p4   
[Xe] 4f12 6s2   
Crystal Structure
Not Known   
Hexagonal Close Packed (HCP)   
Crystal Lattice
Unknown-Crystal-Structure-of-Livermorium.jpg#100   
HCP-Crystal-Structure-of-Erbium.jpg#100   
Atom
  
  
Number of Protons
116   
2
68   
99+
Number of Neutrons
160   
4
99   
33
Number of Electrons
116   
2
68   
99+
Radius of an Atom
  
  
Atomic Radius
Not Available   
176.00 pm   
18
Covalent Radius
Not Available   
189.00 pm   
19
Atomic Weight
293.00 amu   
2
167.26 amu   
99+
Atomic Volume
Not Available   
18.40 cm3/mol   
25
Adjacent Atomic Numbers
  
  
Previous Element
Moscovium
  
Holmium
  
Next Element
No Next Element   
Thulium
  
Valence Electron Potential
Not Available   
49.00 (-eV)   
29
Lattice Constant
Not Available   
355.88 pm   
39
Lattice Angles
NA   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.57   
17
Mechanical Properties
Density
  
  
Density At Room Temperature
Not Available   
9.07 g/cm3   
99+
Density When Liquid (at m.p.)
Not Available   
8.86 g/cm3   
23
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
20
Elasticity properties
  
  
Shear Modulus
Not Available   
28.30 GPa   
25
Bulk Modulus
Not Available   
44.40 GPa   
27
Young's Modulus
Not Available   
69.90 GPa   
29
Poisson Ratio
Not Available   
0.24   
28
Other Mechanical Properties
Unknown   
Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
9.07   
32
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Unknown   
Conductor   
Resistivity
Not Available   
0.86 nΩ·m   
99+
Electrical Conductivity
Not Available   
0.01 106/cm Ω   
99+
Electron Affinity
Not Available   
50.00 kJ/mol   
21
Thermal Properties
Specific Heat
Not Available   
0.17 J/(kg K)   
34
Molar Heat Capacity
Not Available   
28.12 J/mol·K   
11
Thermal Conductivity
Not Available   
14.50 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
12.20 µm/(m·K)   
31
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
261.00 kJ/mol   
35
Enthalpy of Fusion
Not Available   
17.20 kJ/mol   
15
Enthalpy of Atomization
Not Available   
314.00 kJ/mol   
33
Standard Molar Entropy
Not Available   
73.10 J/mol.K   
11
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