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Iridium vs Flerovium

Iridium
Flerovium
Flerovium vs Iridium


Periodic Table
Symbol
Ir   
Fl   
Group Number
9   
9
14   
4
Period Number
6   
7   
Block
d block   
p block   
Element Family
Transition Metal   
Post-​Transition   
CAS Number
7439885   
99+
54085164   
5
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   
NA   
History
  
  
Who Discovered
Smithson Tennant   
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory   
Discovery
In 1803   
In 1999   
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 Flerovium metal are limited to research purpose only.
  
Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry   
NA   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys, Research Purposes   
Biological Properties
  
  
Toxicity
Toxic   
Unknown   
Present in Human Body
Yes   
No   
Physical Properties
Melting Point
2,410.00 °C   
7
67.00 °C   
99+
Boiling Point
4,527.00 °C   
10
147.00 °C   
99+
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   
Fl   
Isotopes
  
  
Known Isotopes
34   
5
1   
34
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
823.90 kJ/mol   
13
2nd Energy Level
1,600.00 kJ/mol   
35
1,601.60 kJ/mol   
34
3rd Energy Level
Not Available   
3,367.30 kJ/mol   
18
4th Energy Level
Not Available   
4,399.70 kJ/mol   
27
5th Energy Level
Not Available   
5,847.00 kJ/mol   
26
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   
Ionization, Radioactive Isotopes, Radioactivity   
Atomic Properties
Atomic Number
77   
39
114   
4
Electron Configuration
[Xe] 4f14 5d7 6s2   
[Rn] 5f14 6d10 7s2 7p2   
Crystal Structure
Face Centered Cubic (FCC)   
Not Known   
Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100   
Unknown-Crystal-Structure-of-Flerovium.jpg#100   
Atom
  
  
Number of Protons
74   
99+
114   
4
Number of Neutrons
110   
27
184   
1
Number of Electrons
74   
99+
114   
4
Radius of an Atom
  
  
Atomic Radius
136.00 pm   
99+
180.00 pm   
14
Covalent Radius
141.00 pm   
99+
171.00 pm   
24
Van der Waals Radius
202.00 pm   
27
Not Available   
Atomic Weight
192.22 amu   
34
289.00 amu   
3
Atomic Volume
9.53 cm3/mol   
99+
Not Available   
Adjacent Atomic Numbers
  
  
Previous Element
Osmium
  
Nihonium
  
Next Element
Platinum
  
Moscovium
  
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   
Unknown   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
22.56 g/cm3   
10
14.00 g/cm3   
23
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   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
21.78   
3
Not Available   
Magnetic Ordering
Paramagnetic   
Unknown   
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   
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