Group Number
Not Available
Not Available
Element Family
Actinide
Lanthanide
Space Group Name
Pnma
P63/mmc
Interesting Facts
Not Available
- Metal dust of Lutetium element is highly explosive.
- Lutetium metal is corrosion resistance and acts stable in air.
Sources
Made by Bombarding Uranium with Neutrons, Ores of metals
Found in Minerals, Mining, Ores of Minerals
Who Discovered
Edwin McMillan and Philip H. Abelson
Georges Urbain and Carl Auer von Welsbach
Discovery
In 1940
In 1906
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Not Available
Abundance In Oceans
Not Available
Uses & Benefits
- Currently known uses of Neptunium metal are limited to research purpose only.
-
Neptunium’s isotope neptunium-237 is used as a neutron detectors.
- Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys
Present in Human Body
No
No
Physical State
Solid
Solid
Color
Silver
Silvery White
Brinell Hardness
Not Available
Vickers Hardness
Not Available
Speed of Sound
Not Available
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
5th Energy Level
Not Available
Electrochemical Equivalent
Electron Work Function
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Electron Configuration
[Rn] 5f4 6d1 7s2
[Xe] 6s2 4f14 5d1
Crystal Structure
Orthorhombic (ORTH)
Hexagonal Close Packed (HCP)
Crystal Lattice
ORTH-Crystal-Structure-of-Neptunium.jpg#100
BCC-Crystal-Structure-.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.)
Not Available
Tensile Strength
Not Available
Viscosity
Not Available
Not Available
Vapor Pressure at 1000 K
Not Available
Shear Modulus
Not Available
Bulk Modulus
Not Available
Young's Modulus
Not Available
Poisson Ratio
Not Available
Other Mechanical Properties
Ductile
NA
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Property
Conductor
Conductor
Electron Affinity
Not Available
Critical Temperature
Not Available
Not Available
Thermal Expansion
Not Available
Enthalpy of Vaporization
Not Available
Enthalpy of Atomization
Not Available
Standard Molar Entropy
Not Available