Group Number
Not Available
Element Family
Transition Metal
Lanthanide
Space Group Name
Fm_ 3m
P63/mmc
Interesting Facts
- Iridium element occurs as natural alloys of Platinum and Osmium.
- Iridium element is known as the most corrosion resistance metal .
- At times Terbium metal acts same as Calcium.
- Terbium metal closely similar to Lanthanum metal.
Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals
Who Discovered
Smithson Tennant
Carl Gustaf Mosander
Discovery
In 1803
In 1842
Abundance In Earth's Crust
Abundance In Oceans
Not Available
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.
- Terbium salts are used in optical devices like laser devices.
-
Terbium’s alloy lengthens and shortens the magnetic field and this effect forms loudspeaker.
Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry
Electronic Industry
Present in Human Body
Yes
No
Physical State
Solid
Solid
Color
Silvery White
Silvery White
Mohs Hardness
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
Not Available
Allred Rochow Electronegativity
Allen Electronegativity
Not Available
Pauling Electropositivity
Not Available
3rd Energy Level
Not Available
4th Energy Level
Not Available
Electrochemical Equivalent
Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Solubility
Electron Configuration
[Xe] 4f14 5d7 6s2
[Xe] 4f9 6s2
Crystal Structure
Face Centered Cubic (FCC)
Hexagonal Close Packed (HCP)
Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100
HCP-Crystal-Structure-of-Terbium.jpg#100
Valence Electron Potential
Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Lattice C/A Ratio
Not Available
Density At Room Temperature
Density When Liquid (at m.p.)
Viscosity
Not Available
Not Available
Vapor Pressure at 1000 K
Not Available
Other Mechanical Properties
NA
Ductile, Malleable
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Property
Conductor
Conductor
Critical Temperature
Not Available
Not Available