1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Transition Metal
Probably Post-Transition
1.6 CAS Number
743988554100719
7429905
54386242
1.3 Space Group Name
1.4 Space Group Number
2 Facts
2.1 Interesting Facts
- Iridium element occurs as natural alloys of Platinum and Osmium.
- Iridium element is known as the most corrosion resistance metal .
Not Available
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Synthetically Produced
2.3 History
2.3.1 Who Discovered
Smithson Tennant
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
1.2.1 Abundance In Sun
~0.0000002 %~-9999 %
1E-08
0.1
1.4.1 Abundance In Meteorites
2.4.2 Abundance In Earth's Crust
2.7.2 Abundance In Oceans
2.9.1 Abundance In Humans
3 Uses
3.1 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.
- Currently known uses of Livermorium metal are limited to research purpose only.
3.1.1 Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry
NA
3.1.2 Medical Uses
3.1.3 Other Uses
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
4.4.2 In Bone
5 Physical
5.1 Melting Point
5.2 Boiling Point
6.3 Appearance
6.3.1 Physical State
6.3.2 Color
6.3.3 Luster
6.4 Hardness
6.4.1 Mohs Hardness
6.4.4 Brinell Hardness
7.1.2 Vickers Hardness
7.3 Speed of Sound
8.5 Optical Properties
8.5.1 Refractive Index
8.5.3 Reflectivity
8.6 Allotropes
8.6.1 α Allotropes
Not Available
Not Available
8.6.2 β Allotropes
Not Available
Not Available
8.6.3 γ Allotropes
Not Available
Not Available
9 Chemical
9.1 Chemical Formula
9.2 Isotopes
9.2.1 Known Isotopes
10.2 Electronegativity
10.2.1 Pauling Electronegativity
10.4.1 Sanderson Electronegativity
10.7.2 Allred Rochow Electronegativity
10.7.4 Mulliken-Jaffe Electronegativity
11.2.2 Allen Electronegativity
11.4 Electropositivity
11.4.1 Pauling Electropositivity
11.6 Ionization Energies
11.6.1 1st Energy Level
880.00 kJ/mol723.60 kJ/mol
375.7
26130
11.6.2 2nd Energy Level
1,600.00 kJ/mol1,331.50 kJ/mol
710.2162
28750
11.7.2 3rd Energy Level
NA2,846.30 kJ/mol
1600
34230
11.7.5 4th Energy Level
NA3,811.20 kJ/mol
2780
37066
12.2.3 5th Energy Level
NA6,078.60 kJ/mol
4305.2
97510
12.3.2 6th Energy Level
12.4.2 7th Energy level
12.5.3 8th Energy Level
12.5.5 9th Energy Level
12.5.8 10th Energy Level
12.5.11 11th Energy Level
12.5.14 12th Energy Level
12.6.2 13th Energy Level
12.7.2 14th Energy Level
12.7.5 15th Energy Level
12.7.7 16th Energy Level
12.7.10 17th Energy Level
12.7.13 18th Energy Level
12.7.15 19th Energy Level
12.7.18 20th Energy Level
12.7.19 21st Energy Level
12.7.22 22nd Energy Level
12.7.24 23rd Energy Level
12.7.26 24th Energy Level
12.7.29 25th Energy Level
12.7.30 26th Energy Level
12.7.33 27th Energy Level
12.7.36 28th Energy Level
12.7.38 29th Energy Level
12.7.40 30th Energy Level
12.8 Electrochemical Equivalent
1.14 g/amp-hrNA
0.16812
8.3209
12.9 Electron Work Function
12.10 Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity
Chemical Stability, Ionization
13 Atomic
13.1 Atomic Number
13.2 Electron Configuration
[Xe] 4f14 5d7 6s2
[Rn] 5f14 6d10 7s2 7p4
13.3 Crystal Structure
Face Centered Cubic (FCC)
Not Known
13.3.1 Crystal Lattice
13.4 Atom
13.4.1 Number of Protons
13.4.4 Number of Neutrons
13.4.8 Number of Electrons
13.5 Radius of an Atom
13.5.1 Atomic Radius
13.5.3 Covalent Radius
13.6.1 Van der Waals Radius
13.7 Atomic Weight
192.22 amu293.00 amu
6.94
294
14.2 Atomic Volume
9.53 cm3/molNA
1.39
71.07
14.3 Adjacent Atomic Numbers
14.3.1 Previous Element
14.3.2 Next Element
14.4 Valence Electron Potential
14.8 Lattice Constant
383.90 pmNA
228.58
891.25
14.9 Lattice Angles
14.10 Lattice C/A Ratio
15 Mechanical
15.1 Density
15.1.1 Density At Room Temperature
15.1.5 Density When Liquid (at m.p.)
15.4 Tensile Strength
15.6 Viscosity
15.7 Vapor Pressure
15.7.1 Vapor Pressure at 1000 K
16.1.1 Vapor Pressure at 2000 K
16.3 Elasticity properties
16.3.1 Shear Modulus
16.6.2 Bulk Modulus
16.9.1 Young's Modulus
16.11 Poisson Ratio
17.3 Other Mechanical Properties
18 Magnetic
18.1 Magnetic Characteristics
18.1.1 Specific Gravity
18.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
18.1.4 Permeability
18.1.6 Susceptibility
18.3 Electrical Properties
18.3.1 Electrical Property
18.3.2 Resistivity
18.5.1 Electrical Conductivity
0.19 106/cm ΩNA
0.00666
0.63
18.7.1 Electron Affinity
19 Thermal
19.1 Specific Heat
19.4 Molar Heat Capacity
25.10 J/mol·KNA
16.443
62.7
19.5 Thermal Conductivity
20.2 Critical Temperature
20.4 Thermal Expansion
21.2 Enthalpy
21.2.1 Enthalpy of Vaporization
799.10 kJ/molNA
7.32
799.1
21.3.1 Enthalpy of Fusion
21.4.1 Enthalpy of Atomization
21.7 Standard Molar Entropy
35.50 J/mol.KNA
9.5
198.1