Group Number
Not Available
Element Family
Lanthanide
Actinide
Space Group Name
P63/mmc
Cmcm
Interesting Facts
- Holmium metal is very soft and malleable.
- Holmium metal is well known for its corrosion resistivity.
- Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
Sources
Found in Minerals, Mining, Ores of Minerals
Earth's crust, Mining, Ores of Minerals
Who Discovered
Marc Delafontaine
Not Available
Discovery
In 1878
In 1789
Abundance In Sun
~-9999 %
Abundance In Earth's Crust
Uses & Benefits
- 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.
- The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
-
Synthetic elements like transuranium are made from Uranium metal.
Industrial Uses
NA
Ammunition Industry, Chemical Industry
Other Uses
Alloys, Nuclear Research
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues
Present in Human Body
No
No
Physical State
Solid
Solid
Color
Silvery White
Silvery Gray
Mohs Hardness
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, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes, Radioactivity
Electron Configuration
[Xe] 4f11 6s2
[Rn] 5f3 6d1 7s2
Crystal Structure
Hexagonal Close Packed (HCP)
Orthorhombic (ORTH)
Crystal Lattice
HCP-Crystal-Structure-of-Holmium.jpg#100
ORTH-Crystal-Structure-of-Uranium.jpg#100
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
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, Sectile
Ductile, Malleable
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Property
Conductor
Poor Conductor
Electron Affinity
Not Available
Critical Temperature
Not Available
Not Available