Group Number
Not Available
Element Family
Lanthanide
Lanthanide
Space Group Name
P63/mmc
P63/mmc
Interesting Facts
- Neodymium is not found free in nature, hence it is not a native metal.
- Neodymium metal found in minerals like Monazite and Bastnaesite.
- Thulium metal can resist corrosion due to dry air .
- Only Tm-169 isotope of Thulium metal occur naturally.
Sources
Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
Who Discovered
Carl Auer von Welsbach
Per Teodor Cleve
Discovery
In 1885
In 1879
Abundance In Earth's Crust
Uses & Benefits
- Neodymium-Iron-boron alloy is used to make permanent magnets.
- It is used in microphones, Mp3 player, loudspeakers, mobile phones, etc.
- 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.
Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry
NA
Other Uses
Alloys
Alloys, Nuclear Research, Research Purposes
Toxicity
Non Toxic
Unknown
Present in Human Body
No
No
Physical State
Solid
Solid
Color
Silvery White
Silvery Gray
Speed of Sound
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
Pauling Electropositivity
Electrochemical Equivalent
Electron Work Function
Not Available
Other Chemical Properties
Chemical Stability, Corrosion, Flammable, Ionization
Ionization, Radioactive Isotopes, Solubility
Electron Configuration
[Xe] 4f4 6s2
[Xe] 4f13 6s2
Crystal Structure
Double Hexagonal Close Packed (DHCP)
Hexagonal Close Packed (HCP)
Crystal Lattice
DHCP-Crystal-Structure-of-Neodymium.jpg#100
HCP-Crystal-Structure-of-Thulium.jpg#100
Van der Waals Radius
Not Available
Valence Electron Potential
Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Density At Room Temperature
Density When Liquid (at m.p.)
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure at 2000 K
Not Available
Other Mechanical Properties
NA
Ductile, Malleable
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Property
NA
Conductor
Critical Temperature
Not Available
Not Available