Group Number
Not Available
Element Family
Lanthanide
Transition Metal
Space Group Name
P63/mmc
Fm_ 3m
Interesting Facts
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
- Iridium element occurs as natural alloys of Platinum and Osmium.
- Iridium element is known as the most corrosion resistance metal .
Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining, Ores of Minerals
Who Discovered
Per Teodor Cleve
Smithson Tennant
Discovery
In 1879
In 1803
Abundance In Earth's Crust
Abundance In Oceans
Not Available
Uses & Benefits
- Thulium metal produces isotopes that emits X-rays. This isotope is used in X-ray machine.
-
Thulium element is also used in Surgical equipment like laser.
- 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.
Industrial Uses
NA
Automobile Industry, Electrical Industry, Electronic Industry
Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys
Present in Human Body
No
Yes
Physical State
Solid
Solid
Color
Silvery Gray
Silvery White
Mohs Hardness
Not Available
Speed of Sound
Not Available
Reflectivity
Not Available
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
Pauling Electronegativity
Allred Rochow Electronegativity
Allen Electronegativity
Not Available
Pauling Electropositivity
3rd Energy Level
Not Available
4th Energy Level
Not Available
Electrochemical Equivalent
Electron Work Function
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Flammable, Ionization, Radioactive Isotopes, Radioactivity
Electron Configuration
[Xe] 4f13 6s2
[Xe] 4f14 5d7 6s2
Crystal Structure
Hexagonal Close Packed (HCP)
Face Centered Cubic (FCC)
Crystal Lattice
HCP-Crystal-Structure-of-Thulium.jpg#100
FCC-Crystal-Structure-of-Iridium.jpg#100
Van der Waals Radius
Not Available
Valence Electron Potential
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Density At Room Temperature
Density When Liquid (at m.p.)
Tensile Strength
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure at 1000 K
Not Available
Vapor Pressure at 2000 K
Not Available
Other Mechanical Properties
Ductile, Malleable
NA
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Property
Conductor
Conductor
Critical Temperature
Not Available
Not Available