1 Periodic Table
1.1 Symbol
1.3 Group Number
1.4 Period Number
2.2 Block
2.3 Element Family
Actinide
Transition Metal
2.4 CAS Number
225371957439885
7429905
54386242
2.8 Space Group Name
2.9 Space Group Number
3 Facts
3.1 Interesting Facts
- It is synthetically produced metal.
- Radiation hazard can be produce by it.
- Iridium element occurs as natural alloys of Platinum and Osmium.
- Iridium element is known as the most corrosion resistance metal .
3.2 Sources
Bombarding Californium-252 with Boron Nuclei, Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
Smithson Tennant
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.3 Abundance In Sun
~-9999 %~0.0000002 %
1E-08
0.1
3.5.1 Abundance In Meteorites
3.5.4 Abundance In Earth's Crust
3.5.6 Abundance In Oceans
3.6.1 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- Currently known uses of Lawrencium metal are limited to research purpose only.
- 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.
4.1.1 Industrial Uses
NA
Automobile Industry, Electrical Industry, Electronic Industry
4.1.2 Medical Uses
4.1.3 Other Uses
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
4.3.1 In Bone
5 Physical
5.1 Melting Point
1,627.00 °C2,410.00 °C
27
3410
5.3 Boiling Point
5.6 Appearance
5.6.1 Physical State
5.6.2 Color
5.6.3 Luster
5.7 Hardness
5.7.1 Mohs Hardness
6.1.2 Brinell Hardness
6.1.4 Vickers Hardness
6.4 Speed of Sound
6.6 Optical Properties
6.6.1 Refractive Index
6.6.3 Reflectivity
6.8 Allotropes
6.8.1 α Allotropes
Not Available
Not Available
6.8.2 β Allotropes
Not Available
Not Available
6.8.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.3 Electronegativity
7.3.1 Pauling Electronegativity
7.3.3 Sanderson Electronegativity
8.1.2 Allred Rochow Electronegativity
8.1.5 Mulliken-Jaffe Electronegativity
8.1.7 Allen Electronegativity
8.3 Electropositivity
8.3.1 Pauling Electropositivity
8.4 Ionization Energies
8.4.1 1st Energy Level
470.00 kJ/mol880.00 kJ/mol
375.7
26130
8.4.3 2nd Energy Level
1,428.00 kJ/mol1,600.00 kJ/mol
710.2162
28750
9.1.1 3rd Energy Level
2,228.00 kJ/molNA
1600
34230
9.2.1 4th Energy Level
4,910.00 kJ/molNA
2780
37066
9.3.1 5th Energy Level
9.3.2 6th Energy Level
9.4.1 7th Energy level
9.5.1 8th Energy Level
9.6.2 9th Energy Level
9.6.3 10th Energy Level
9.6.5 11th Energy Level
9.6.6 12th Energy Level
9.6.8 13th Energy Level
9.6.9 14th Energy Level
9.7.1 15th Energy Level
9.7.2 16th Energy Level
9.7.3 17th Energy Level
9.7.4 18th Energy Level
9.7.5 19th Energy Level
9.7.6 20th Energy Level
9.7.7 21st Energy Level
9.7.8 22nd Energy Level
9.7.9 23rd Energy Level
9.7.10 24th Energy Level
9.7.11 25th Energy Level
9.7.12 26th Energy Level
9.7.13 27th Energy Level
9.7.14 28th Energy Level
9.7.15 29th Energy Level
9.7.16 30th Energy Level
9.8 Electrochemical Equivalent
3.23 g/amp-hr1.14 g/amp-hr
0.16812
8.3209
9.9 Electron Work Function
9.10 Other Chemical Properties
Ionization, Radioactive Isotopes
Flammable, Ionization, Radioactive Isotopes, Radioactivity
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Rn] 5f14 7s2 7p1
[Xe] 4f14 5d7 6s2
10.3 Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.4.2 Number of Neutrons
10.4.3 Number of Electrons
10.5 Radius of an Atom
10.5.1 Atomic Radius
10.5.2 Covalent Radius
10.5.3 Van der Waals Radius
246.00 pm202.00 pm
139
348
10.6 Atomic Weight
266.00 amu192.22 amu
6.94
294
10.7 Atomic Volume
NA9.53 cm3/mol
1.39
71.07
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
1.2 Lattice Constant
NA383.90 pm
228.58
891.25
1.4 Lattice Angles
1.5 Lattice C/A Ratio
2 Mechanical
2.1 Density
2.1.1 Density At Room Temperature
2.2.1 Density When Liquid (at m.p.)
2.4 Tensile Strength
2.6 Viscosity
2.7 Vapor Pressure
2.7.1 Vapor Pressure at 1000 K
2.8.2 Vapor Pressure at 2000 K
2.9 Elasticity properties
2.9.1 Shear Modulus
2.9.2 Bulk Modulus
2.9.4 Young's Modulus
2.10 Poisson Ratio
2.11 Other Mechanical Properties
3 Magnetic
3.1 Magnetic Characteristics
3.1.1 Specific Gravity
3.2.1 Magnetic Ordering
3.2.2 Permeability
3.2.3 Susceptibility
3.3 Electrical Properties
3.3.1 Electrical Property
3.3.2 Resistivity
3.3.3 Electrical Conductivity
NA0.19 106/cm Ω
0.00666
0.63
3.3.4 Electron Affinity
4 Thermal
4.1 Specific Heat
4.2 Molar Heat Capacity
NA25.10 J/mol·K
16.443
62.7
4.3 Thermal Conductivity
4.4 Critical Temperature
4.5 Thermal Expansion
1.2 Enthalpy
1.2.1 Enthalpy of Vaporization
NA799.10 kJ/mol
7.32
799.1
1.2.4 Enthalpy of Fusion
1.3.3 Enthalpy of Atomization
1.4 Standard Molar Entropy
NA35.50 J/mol.K
9.5
198.1