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.
- Holmium metal is very soft and malleable.
- Holmium metal is well known for its corrosion resistivity.
Sources
Found in Minerals, Mining
Found in Minerals, Mining, Ores of Minerals
Who Discovered
Carl Auer von Welsbach
Marc Delafontaine
Discovery
In 1885
In 1878
Abundance In Sun
~-9999 %
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.
- Holmium metal has an ability to absorb neutrons, so this metal is used in nuclear reactors to keep the chain reactions of elements under control.
-
Alloys of Holmium are used to produce Magnet.
Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry
NA
Other Uses
Alloys
Alloys, Nuclear Research
Toxicity
Non Toxic
Low Toxic
Present in Human Body
No
No
Physical State
Solid
Solid
Color
Silvery White
Silvery White
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
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Electron Configuration
[Xe] 4f4 6s2
[Xe] 4f11 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-Holmium.jpg#100
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, Sectile
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Property
NA
Conductor
Critical Temperature
Not Available
Not Available