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 .
- Gadolinium is not found free in nature, hence it is not a native metal.
- Gadolinium metal found in minerals like Monazite and Bastnaesite.
Sources
Found in Minerals, Mining, Ores of Minerals
Found in Minerals, Mining
Who Discovered
Smithson Tennant
Jean Charles Galissard de Marignac
Discovery
In 1803
In 1880
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.
- Its alloys are also used in making Magnets, electronic components and Data storage devices.
- Compound of Gadolinium metal are used in magnetic resonance imaging (MRI).
Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry
Aerospace Industry, Electrical Industry, Electronic Industry
Present in Human Body
Yes
No
Physical State
Solid
Solid
Color
Silvery White
Silvery White
Mohs Hardness
Not Available
Brinell 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
Allred Rochow Electronegativity
Allen Electronegativity
Not Available
Pauling Electropositivity
3rd Energy Level
Not Available
4th Energy Level
Not Available
Electrochemical Equivalent
Other Chemical Properties
Flammable, Ionization, Radioactive Isotopes, Radioactivity
Corrosion, Flammable, Ionization, Radioactive Isotopes
Electron Configuration
[Xe] 4f14 5d7 6s2
[Xe] 4f7 5d1 6s2
Crystal Structure
Face Centered Cubic (FCC)
Hexagonal Close Packed (HCP)
Crystal Lattice
FCC-Crystal-Structure-of-Iridium.jpg#100
HCP-Crystal-Structure-of-Gadolinium.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.)
Tensile Strength
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure at 1000 K
Not Available
Other Mechanical Properties
NA
Ductile, Malleable
Magnetic Ordering
Paramagnetic
Ferromagnetic
Electrical Property
Conductor
Conductor
Critical Temperature
Not Available
Not Available