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Iridium Livermorium Comparison


Livermorium Iridium comparison


Periodic Table

Symbol
Ir   
Lv   

Group Number
9   
9
16   
2

Period Number
6   
7   

Block
d block   
p block   

Element Family
Transition Metal   
Probably Post-​Transition   

CAS Number
7439885   
99+
54100719   
3

Space Group Name
Fm_ 3m   
Not Available   

Space Group Number
225.00   
2
Not Available   

Facts

Interesting Facts
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
  
Not Available   

Sources
Found in Minerals, Mining, Ores of Minerals   
Synthetically Produced   

History
  
  

Who Discovered
Smithson Tennant   
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory   

Discovery
In 1803   
In 2000   

Abundance
  
  

Abundance In Universe
2 * 10-7 %   
22
Not Available   

Abundance In Sun
~0.0000002 %   
25
~-9999 %   

Abundance In Meteorites
0.00 %   
29
Not Available   

Abundance In Earth's Crust
0.00 %   
99+
Not Available   

Uses

Uses & Benefits
  • Iridium has an anti corrosion properties and it is used in special alloy with Osmium metal and that alloy is used in pen tips and compass bearings.
  
  • Currently known uses of Livermorium metal are limited to research purpose only.
  

Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys   
Research Purposes   

Biological Properties
  
  

Toxicity
Toxic   
Unknown   

Present in Human Body
Yes   
No   

Physical Properties

Melting Point
2,410.00 °C   
7
Not Available   

Boiling Point
4,527.00 °C   
10
Not Available   

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Unknown   

Luster
Metallic   
Unknown Luster   

Hardness
  
  

Mohs Hardness
6.50   
5
Not Available   

Brinell Hardness
1,670.00 MPa   
5
Not Available   

Vickers Hardness
1,760.00 MPa   
3
Not Available   

Speed of Sound
4,825.00 m/s   
13
Not Available   

Optical Properties
  
  

Reflectivity
78.00 %   
6
Not Available   

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
Ir   
Lv   

Isotopes
  
  

Known Isotopes
34   
5
5   
32

Electronegativity
  
  

Pauling Electronegativity
2.20   
4
Not Available   

Allred Rochow Electronegativity
1.55   
11
Not Available   

Allen Electronegativity
1.68   
17
Not Available   

Electropositivity
  
  

Pauling Electropositivity
1.80   
99+
Not Available   

Ionization Energies
  
  

1st Energy Level
880.00 kJ/mol   
9
723.60 kJ/mol   
28

2nd Energy Level
1,600.00 kJ/mol   
35
1,331.50 kJ/mol   
99+

3rd Energy Level
Not Available   
2,846.30 kJ/mol   
34

4th Energy Level
Not Available   
3,811.20 kJ/mol   
99+

5th Energy Level
Not Available   
6,078.60 kJ/mol   
24

Electrochemical Equivalent
1.14 g/amp-hr   
99+
Not Available   

Electron Work Function
4.55 eV   
13
Not Available   

Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity   
Chemical Stability, Ionization   

Atomic Properties

Atomic Number
77   
39
116   
2

Electron Configuration
[Xe] 4f14 5d7 6s2   
[Rn] 5f14 6d10 7s2 7p4   

Crystal Structure
Face Centered Cubic (FCC)   
Not Known   

Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100   
Unknown-Crystal-Structure-of-Livermorium.jpg#100   

Atom
  
  

Number of Protons
74   
99+
116   
2

Number of Neutrons
110   
27
160   
4

Number of Electrons
74   
99+
116   
2

Radius of an Atom
  
  

Atomic Radius
136.00 pm   
99+
Not Available   

Covalent Radius
141.00 pm   
99+
Not Available   

Van der Waals Radius
202.00 pm   
27
Not Available   

Atomic Weight
192.22 amu   
34
293.00 amu   
2

Atomic Volume
9.53 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Osmium
  
Moscovium
  

Next Element
Platinum
  
No Next Element   

Valence Electron Potential
140.00 (-eV)   
5
Not Available   

Lattice Constant
383.90 pm   
26
Not Available   

Lattice Angles
π/2, π/2, π/2   
NA   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
22.56 g/cm3   
10
Not Available   

Density When Liquid (at m.p.)
19.00 g/cm3   
3
Not Available   

Tensile Strength
2,000.00 MPa   
2
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 2000 K
0.00 (Pa)   
25
Not Available   

Elasticity properties
  
  

Shear Modulus
210.00 GPa   
2
Not Available   

Bulk Modulus
320.00 GPa   
3
Not Available   

Young's Modulus
528.00 GPa   
1
Not Available   

Poisson Ratio
0.26   
22
Not Available   

Other Mechanical Properties
NA   
Unknown   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
21.78   
3
Not Available   

Magnetic Ordering
Paramagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Conductor   
Unknown   

Resistivity
47.10 nΩ·m   
99+
Not Available   

Electrical Conductivity
0.19 106/cm Ω   
10
Not Available   

Electron Affinity
151.00 kJ/mol   
4
Not Available   

Thermal Properties

Specific Heat
0.13 J/(kg K)   
39
Not Available   

Molar Heat Capacity
25.10 J/mol·K   
99+
Not Available   

Thermal Conductivity
147.00 W/m·K   
10
Not Available   

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
6.40 µm/(m·K)   
99+
Not Available   

Enthalpy
  
  

Enthalpy of Vaporization
799.10 kJ/mol   
1
Not Available   

Enthalpy of Fusion
35.23 kJ/mol   
1
Not Available   

Enthalpy of Atomization
837.00 kJ/mol   
1
Not Available   

Standard Molar Entropy
35.50 J/mol.K   
99+
Not Available   

Summary >>
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