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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  
-  
Space Group Number
225.00  
3
198.00  
6
Facts
Interesting Facts
  • Iridium element occurs as natural alloys of Platinum and Osmium.
  • Iridium element is known as the most corrosion resistance metal .
  
Flerovium is named after the Flerov Laboratory of Nuclear Reactions.  
Sources
Found in Minerals, Mining, Ores of Minerals  
-  
History
  
  
Who Discovered
Smithson Tennant  
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Discovery
In 1803  
In 1999  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.00 %  
40
Abundance In Sun
0.00 %  
25
-  
Abundance In Meteorites
0.00 %  
29
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
99+
-  
Abundance In Oceans
-  
-  
Abundance In Humans
0.00 %  
24
-  
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  
-  
Medical Uses
-  
-  
Other Uses
Alloys  
Alloys, Research Purposes  
Biological Properties
  
  
Toxicity
Toxic  
-  
Present in Human Body
Yes  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
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  
-  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Mohs Hardness
6.50  
5
4.00  
11
Brinell Hardness
1,670.00 MPa  
5
350.00 MPa  
36
Vickers Hardness
1,760.00 MPa  
8
450.00 MPa  
38
Speed of Sound
4,825.00 m/s  
17
3,200.00 m/s  
35
Optical Properties
  
  
Refractive Index
2.40  
7
1.30  
99+
Reflectivity
78.00 %  
8
68.00 %  
15
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ir  
Fl  
Isotopes
  
  
Known Isotopes
34  
5
1  
34
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
2.60  
1
Sanderson Electronegativity
2.20  
8
1.30  
25
Allred Rochow Electronegativity
1.55  
12
1.30  
25
Mulliken-Jaffe Electronegativity
2.20  
6
1.30  
33
Allen Electronegativity
1.68  
20
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
1.80  
99+
2.00  
99+
Ionization Energies
  
  
1st Energy Level
880.00 kJ/mol  
9
823.90 kJ/mol  
13
2nd Energy Level
1,600.00 kJ/mol  
36
1,601.60 kJ/mol  
35
3rd Energy Level
2,256.10 kJ/mol  
99+
3,367.30 kJ/mol  
18
4th Energy Level
880.00 kJ/mol  
99+
4,399.70 kJ/mol  
37
5th Energy Level
8,800.00 kJ/mol  
8
5,847.00 kJ/mol  
99+
6th Energy Level
8,800.00 kJ/mol  
25
11,400.00 kJ/mol  
9
7th Energy level
8,800.00 kJ/mol  
22
5,400.00 kJ/mol  
99+
8th Energy Level
8,800.00 kJ/mol  
22
6,700.00 kJ/mol  
39
9th Energy Level
8,800.00 kJ/mol  
21
5,840.00 kJ/mol  
99+
10th Energy Level
8,800.00 kJ/mol  
23
6,000.00 kJ/mol  
99+
11th Energy Level
8,800.00 kJ/mol  
20
6,000.00 kJ/mol  
99+
12th Energy Level
8,800.00 kJ/mol  
40
36,400.00 kJ/mol  
24
13th Energy Level
8,800.00 kJ/mol  
15
5,400.00 kJ/mol  
99+
14th Energy Level
8,800.00 kJ/mol  
14
1,145.00 kJ/mol  
99+
15th Energy Level
88,000.00 kJ/mol  
8
67,000.00 kJ/mol  
33
16th Energy Level
88,000.00 kJ/mol  
9
36,400.00 kJ/mol  
99+
17th Energy Level
880.00 kJ/mol  
26
1,144.00 kJ/mol  
17
18th Energy Level
8,800.00 kJ/mol  
15
3,400.00 kJ/mol  
99+
19th Energy Level
880.00 kJ/mol  
24
1,127.50 kJ/mol  
16
20th Energy Level
880.00 kJ/mol  
14
800.00 kJ/mol  
24
21st Energy Level
880.00 kJ/mol  
37
670.00 kJ/mol  
99+
22nd Energy Level
880.00 kJ/mol  
12
340.00 kJ/mol  
99+
23rd Energy Level
8,800.00 kJ/mol  
7
1,120.00 kJ/mol  
34
24th Energy Level
880.00 kJ/mol  
8
540.10 kJ/mol  
99+
25th Energy Level
880.00 kJ/mol  
6
0.00 kJ/mol  
99+
26th Energy Level
880.00 kJ/mol  
6
540.10 kJ/mol  
99+
27th Energy Level
880.00 kJ/mol  
5
540.00 kJ/mol  
99+
28th Energy Level
880.00 kJ/mol  
8
800.00 kJ/mol  
18
29th Energy Level
880.00 kJ/mol  
9
800.10 kJ/mol  
17
30th Energy Level
880.00 kJ/mol  
6
0.00 kJ/mol  
99+
Electrochemical Equivalent
1.14 g/amp-hr  
99+
3.00 g/amp-hr  
21
Electron Work Function
4.55 eV  
18
4.90 eV  
12
Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
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  
28
184  
2
Number of Electrons
74  
99+
114  
4
Radius of an Atom
  
  
Atomic Radius
136.00 pm  
99+
180.00 pm  
16
Covalent Radius
141.00 pm  
99+
171.00 pm  
26
Van der Waals Radius
202.00 pm  
34
0.00 pm  
99+
Atomic Weight
192.22 amu  
34
289.00 amu  
3
Atomic Volume
9.53 cm3/mol  
99+
14.00 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Osmium
  
Nihonium
  
Next Element
Platinum
  
Moscovium
  
Valence Electron Potential
140.00 (-eV)  
5
0.00 (-eV)  
99+
Lattice Constant
383.90 pm  
29
-  
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.58  
35
1.60  
22
Mechanical
Density
  
  
Density At Room Temperature
22.56 g/cm3  
10
14.00 g/cm3  
24
Density When Liquid (at m.p.)
19.00 g/cm3  
13
14.00 g/cm3  
24
Tensile Strength
2,000.00 MPa  
2
0.10 MPa  
99+
Viscosity
0.00  
21
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
26
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
210.00 GPa  
2
35.00 GPa  
21
Bulk Modulus
320.00 GPa  
3
15.00 GPa  
99+
Young's Modulus
528.00 GPa  
1
0.00 GPa  
99+
Poisson Ratio
0.26  
22
0.30  
14
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
21.78  
12
14.00  
25
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
16
0.00 H/m  
15
Susceptibility
0.00  
5
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
47.10 nΩ·m  
99+
5.40 nΩ·m  
99+
Electrical Conductivity
0.19 106/cm Ω  
10
0.00 106/cm Ω  
99+
Electron Affinity
151.00 kJ/mol  
4
-  
Thermal
Specific Heat
0.13 J/(kg K)  
40
0.10 J/(kg K)  
99+
Molar Heat Capacity
25.10 J/mol·K  
99+
27.00 J/mol·K  
29
Thermal Conductivity
147.00 W/m·K  
10
0.00 W/m·K  
99+
Critical Temperature
2,719.00 K  
8
340.00 K  
99+
Thermal Expansion
6.40 µm/(m·K)  
99+
7.10 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
799.10 kJ/mol  
1
337.40 kJ/mol  
38
Enthalpy of Fusion
35.23 kJ/mol  
1
14.50 kJ/mol  
26
Enthalpy of Atomization
837.00 kJ/mol  
1
-  
Standard Molar Entropy
35.50 J/mol.K  
99+
57.00 J/mol.K  
30
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