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