1 Periodic Table
1.1 Symbol
1.2 Group Number
2.2 Period Number
3.2 Block
3.3 Element Family
Transition Metal
Actinide
3.4 CAS Number
74398857429927
7429905
54386242
3.7 Space Group Name
3.8 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 .
- Einsteinium is the transuranic element found in US.
- Only 0.01 mg of Einsteinium was synthesized in 1961.
5.2 Sources
Found in Minerals, Mining, Ores of Minerals
Made by Bombarding Uranium with Neutrons
5.3 History
5.3.1 Who Discovered
Smithson Tennant
Lawrence Berkeley National Laboratory
5.3.2 Discovery
5.4 Abundance
5.4.1 Abundance In Universe
5.5.2 Abundance In Sun
~0.0000002 %~-9999 %
1E-08
0.1
5.5.6 Abundance In Meteorites
5.6.2 Abundance In Earth's Crust
5.7.3 Abundance In Oceans
5.7.6 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.
- Currently known uses of Einsteinium metal are limited to research purpose only.
6.1.1 Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry
NA
6.1.2 Medical Uses
6.1.3 Other Uses
Alloys
Alloys, Nuclear Research, Research Purposes
6.2 Biological Properties
6.2.1 Toxicity
6.2.3 Present in Human Body
6.2.4 In Blood
NA0.00 Blood/mg dm-3
0
1970
6.2.6 In Bone
7 Physical
7.1 Melting Point
2,410.00 °C860.00 °C
27
3410
8.2 Boiling Point
4,527.00 °C996.00 °C
147
5660
8.4 Appearance
8.4.1 Physical State
8.4.2 Color
8.4.3 Luster
8.5 Hardness
8.5.1 Mohs Hardness
9.1.3 Brinell Hardness
9.2.4 Vickers Hardness
10.2 Speed of Sound
10.3 Optical Properties
10.3.1 Refractive Index
10.5.2 Reflectivity
10.6 Allotropes
11.1.1 α Allotropes
Not Available
Not Available
11.1.2 β Allotropes
Not Available
Not Available
11.1.3 γ Allotropes
Not Available
Not Available
12 Chemical
12.1 Chemical Formula
12.2 Isotopes
12.2.1 Known Isotopes
12.5 Electronegativity
12.5.1 Pauling Electronegativity
12.5.2 Sanderson Electronegativity
12.6.2 Allred Rochow Electronegativity
12.8.1 Mulliken-Jaffe Electronegativity
13.1.1 Allen Electronegativity
13.3 Electropositivity
13.3.1 Pauling Electropositivity
13.6 Ionization Energies
13.6.1 1st Energy Level
880.00 kJ/mol619.00 kJ/mol
375.7
26130
13.6.2 2nd Energy Level
1,600.00 kJ/mol1,216.00 kJ/mol
710.2162
28750
13.7.2 3rd Energy Level
NA2,334.00 kJ/mol
1600
34230
13.8.2 4th Energy Level
NA3,734.00 kJ/mol
2780
37066
13.9.1 5th Energy Level
13.10.1 6th Energy Level
13.10.2 7th Energy level
13.11.2 8th Energy Level
13.11.3 9th Energy Level
13.12.2 10th Energy Level
13.13.1 11th Energy Level
13.13.2 12th Energy Level
13.13.4 13th Energy Level
13.13.5 14th Energy Level
13.13.7 15th Energy Level
13.13.8 16th Energy Level
13.13.9 17th Energy Level
13.14.1 18th Energy Level
13.14.2 19th Energy Level
13.14.3 20th Energy Level
13.14.4 21st Energy Level
13.14.5 22nd Energy Level
13.14.6 23rd Energy Level
13.14.7 24th Energy Level
13.14.8 25th Energy Level
13.14.9 26th Energy Level
13.14.10 27th Energy Level
13.14.11 28th Energy Level
13.14.12 29th Energy Level
13.14.13 30th Energy Level
13.15 Electrochemical Equivalent
1.14 g/amp-hr4.74 g/amp-hr
0.16812
8.3209
13.16 Electron Work Function
13.17 Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity
14 Atomic
14.1 Atomic Number
14.2 Electron Configuration
[Xe] 4f14 5d7 6s2
[Rn] 5f11 7s2
14.3 Crystal Structure
Face Centered Cubic (FCC)
Face Centered Cubic (FCC)
14.3.1 Crystal Lattice
14.4 Atom
14.4.1 Number of Protons
14.4.2 Number of Neutrons
14.4.3 Number of Electrons
14.5 Radius of an Atom
14.5.1 Atomic Radius
136.00 pm186.00 pm
112
265
14.5.2 Covalent Radius
14.5.3 Van der Waals Radius
14.6 Atomic Weight
192.22 amu252.00 amu
6.94
294
14.7 Atomic Volume
9.53 cm3/molNA
1.39
71.07
14.8 Adjacent Atomic Numbers
14.8.1 Previous Element
14.8.2 Next Element
14.9 Valence Electron Potential
14.10 Lattice Constant
383.90 pmNA
228.58
891.25
14.11 Lattice Angles
14.12 Lattice C/A Ratio
15 Mechanical
15.1 Density
15.1.1 Density At Room Temperature
22.56 g/cm38.84 g/cm3
0.534
40.7
15.1.2 Density When Liquid (at m.p.)
15.2 Tensile Strength
15.3 Viscosity
15.4 Vapor Pressure
15.4.1 Vapor Pressure at 1000 K
15.4.2 Vapor Pressure at 2000 K
15.5 Elasticity properties
15.5.1 Shear Modulus
15.5.2 Bulk Modulus
15.5.3 Young's Modulus
15.6 Poisson Ratio
15.7 Other Mechanical Properties
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
16.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
16.1.3 Permeability
16.1.4 Susceptibility
16.2 Electrical Properties
16.2.1 Electrical Property
16.2.2 Resistivity
16.2.3 Electrical Conductivity
0.19 106/cm ΩNA
0.00666
0.63
16.2.4 Electron Affinity
17 Thermal
17.1 Specific Heat
17.2 Molar Heat Capacity
25.10 J/mol·KNA
16.443
62.7
17.3 Thermal Conductivity
17.4 Critical Temperature
17.5 Thermal Expansion
17.6 Enthalpy
17.6.1 Enthalpy of Vaporization
799.10 kJ/molNA
7.32
799.1
17.6.2 Enthalpy of Fusion
17.6.3 Enthalpy of Atomization
17.7 Standard Molar Entropy
35.50 J/mol.KNA
9.5
198.1