1 Periodic Table
1.1 Symbol
1.2 Group Number
2.3 Period Number
3.2 Block
3.3 Element Family
Transition Metal
Actinide
3.4 CAS Number
74398857440611
7429905
54386242
3.5 Space Group Name
3.6 Space Group Number
4 Facts
4.1 Interesting Facts
- Iridium element occurs as natural alloys of Platinum and Osmium.
- Iridium element is known as the most corrosion resistance metal .
- Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
4.2 Sources
Found in Minerals, Mining, Ores of Minerals
Earth's crust, Mining, Ores of Minerals
4.3 History
4.3.1 Who Discovered
Smithson Tennant
Not Available
4.3.2 Discovery
4.4 Abundance
4.4.1 Abundance In Universe
2 * 10-7 %2 * 10-8 %
5E-09
0.11
4.6.2 Abundance In Sun
~0.0000002 %~0.0000001 %
1E-08
0.1
4.6.5 Abundance In Meteorites
4.6.8 Abundance In Earth's Crust
5.1.1 Abundance In Oceans
5.2.1 Abundance In Humans
6 Uses
6.1 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.
- The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
-
Synthetic elements like transuranium are made from Uranium metal.
6.2.1 Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry
Ammunition Industry, Chemical Industry
6.2.2 Medical Uses
6.2.3 Other Uses
Alloys
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues
6.3 Biological Properties
6.3.1 Toxicity
6.3.2 Present in Human Body
6.3.3 In Blood
6.5.1 In Bone
7 Physical
7.1 Melting Point
2,410.00 °C1,132.00 °C
27
3410
8.2 Boiling Point
4,527.00 °C3,818.00 °C
147
5660
8.3 Appearance
8.3.1 Physical State
8.4.2 Color
Silvery White
Silvery Gray
8.4.3 Luster
8.5 Hardness
8.5.1 Mohs Hardness
8.6.1 Brinell Hardness
1,670.00 MPa2,350.00 MPa
0.14
3490
8.7.1 Vickers Hardness
1,760.00 MPa1,960.00 MPa
121
3430
8.9 Speed of Sound
4,825.00 m/s3,155.00 m/s
818
16200
8.11 Optical Properties
8.11.1 Refractive Index
8.12.2 Reflectivity
8.13 Allotropes
8.13.1 α Allotropes
Not Available
Not Available
8.13.2 β Allotropes
Not Available
Not Available
8.13.3 γ Allotropes
Not Available
Not Available
9 Chemical
9.1 Chemical Formula
9.2 Isotopes
9.2.1 Known Isotopes
9.3 Electronegativity
9.3.1 Pauling Electronegativity
9.3.3 Sanderson Electronegativity
9.4.1 Allred Rochow Electronegativity
10.1.2 Mulliken-Jaffe Electronegativity
10.1.5 Allen Electronegativity
10.2 Electropositivity
10.2.1 Pauling Electropositivity
10.3 Ionization Energies
10.3.1 1st Energy Level
880.00 kJ/mol597.60 kJ/mol
375.7
26130
10.4.3 2nd Energy Level
1,600.00 kJ/mol1,420.00 kJ/mol
710.2162
28750
10.4.4 3rd Energy Level
NA1,900.00 kJ/mol
1600
34230
10.4.6 4th Energy Level
NA3,145.00 kJ/mol
2780
37066
10.4.7 5th Energy Level
10.4.9 6th Energy Level
10.4.10 7th Energy level
11.1.1 8th Energy Level
11.2.1 9th Energy Level
11.3.1 10th Energy Level
11.3.2 11th Energy Level
11.4.1 12th Energy Level
11.4.2 13th Energy Level
11.5.1 14th Energy Level
11.5.2 15th Energy Level
11.6.2 16th Energy Level
11.6.3 17th Energy Level
11.6.5 18th Energy Level
11.6.6 19th Energy Level
11.6.7 20th Energy Level
11.6.8 21st Energy Level
11.6.10 22nd Energy Level
11.6.11 23rd Energy Level
11.6.12 24th Energy Level
11.7.1 25th Energy Level
11.7.2 26th Energy Level
11.7.3 27th Energy Level
11.7.4 28th Energy Level
11.7.5 29th Energy Level
11.7.6 30th Energy Level
11.8 Electrochemical Equivalent
1.14 g/amp-hr1.48 g/amp-hr
0.16812
8.3209
11.9 Electron Work Function
11.10 Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity
12 Atomic
12.1 Atomic Number
12.2 Electron Configuration
[Xe] 4f14 5d7 6s2
[Rn] 5f3 6d1 7s2
12.3 Crystal Structure
Face Centered Cubic (FCC)
Orthorhombic (ORTH)
12.3.1 Crystal Lattice
12.4 Atom
12.4.1 Number of Protons
12.4.2 Number of Neutrons
12.4.3 Number of Electrons
12.5 Radius of an Atom
12.5.1 Atomic Radius
136.00 pm156.00 pm
112
265
12.5.2 Covalent Radius
141.00 pm196.00 pm
96
260
12.5.3 Van der Waals Radius
202.00 pm186.00 pm
139
348
12.6 Atomic Weight
192.22 amu238.03 amu
6.94
294
12.7 Atomic Volume
9.53 cm3/mol12.59 cm3/mol
1.39
71.07
12.8 Adjacent Atomic Numbers
12.8.1 Previous Element
12.8.2 Next Element
12.9 Valence Electron Potential
140.00 (-eV)170.00 (-eV)
8
392.42
12.10 Lattice Constant
383.90 pm295.08 pm
228.58
891.25
12.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
12.12 Lattice C/A Ratio
13 Mechanical
13.1 Density
13.1.1 Density At Room Temperature
22.56 g/cm319.10 g/cm3
0.534
40.7
13.1.2 Density When Liquid (at m.p.)
19.00 g/cm317.30 g/cm3
0.512
20
13.2 Tensile Strength
13.3 Viscosity
13.4 Vapor Pressure
13.4.1 Vapor Pressure at 1000 K
13.4.2 Vapor Pressure at 2000 K
0.00 (Pa)0.01 (Pa)
2.62E-10
774
13.5 Elasticity properties
13.5.1 Shear Modulus
210.00 GPa111.00 GPa
1.3
222
13.5.2 Bulk Modulus
320.00 GPa100.00 GPa
1.6
462
13.5.3 Young's Modulus
528.00 GPa208.00 GPa
1.7
528
13.6 Poisson Ratio
13.7 Other Mechanical Properties
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
14.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
14.1.3 Permeability
14.1.4 Susceptibility
14.2 Electrical Properties
14.2.1 Electrical Property
14.2.2 Resistivity
47.10 nΩ·m0.28 nΩ·m
0.18
961
14.2.3 Electrical Conductivity
0.19 106/cm Ω0.04 106/cm Ω
0.00666
0.63
14.2.4 Electron Affinity
15 Thermal
15.1 Specific Heat
0.13 J/(kg K)0.12 J/(kg K)
0.11
3.6
15.2 Molar Heat Capacity
25.10 J/mol·K27.67 J/mol·K
16.443
62.7
15.3 Thermal Conductivity
147.00 W/m·K27.50 W/m·K
6.3
429
15.4 Critical Temperature
15.5 Thermal Expansion
6.40 µm/(m·K)13.90 µm/(m·K)
4.5
97
15.6 Enthalpy
15.6.1 Enthalpy of Vaporization
799.10 kJ/mol477.00 kJ/mol
7.32
799.1
15.6.2 Enthalpy of Fusion
35.23 kJ/mol15.48 kJ/mol
2.1
35.23
15.6.3 Enthalpy of Atomization
837.00 kJ/mol489.50 kJ/mol
61.5
837
15.7 Standard Molar Entropy
35.50 J/mol.K50.20 J/mol.K
9.5
198.1